HomeSupplier Discoveryarrow-rightConstruction & Decorationarrow-rightSteel Structurearrow-rightQuotation Frame Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about quotation frame
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

quotation frame4,000+ factories verified

quanzhou ridge steel building co., ltd

10 yrs
·Trading Company
Main Products:
Steel Structure, Pre-Engineered Steel Structure Building, Industrial Workshop, Prefabricated Steel Structure Warehouse, Prefab Storage Shed
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Quanzhou ridge steel structure Co., Ltd was founded in fujian China, a professional manufacturer of steel structure with 20 years exporting experiences, finished 1820 projects total 7600000 square meters. We have 2 modern factories with a total area of 21000 m2, 20000 tons annual produced capacity. Our products are extensive used in warehouse, workshop, commercial building, industrial building, agricultural building and office.

Beijing Hongxing Shuzao Building Materials Co., Ltd.

Main Products:
Steel Structure Factory Building, Steel Structure Warehouses & Workshops, Steel Structure Multi-Story Steel Frame, Steel Frame for Distribution Center, Steel Structure Multi-Span Steel Frame, Steel Structure Poultry Farm, Steel-Framed Office Building, Steel Structure Parking Building, Prefabricated Warehouse, Pre-Engineered Steel Building
Country/Region:
Beijing, China
R&D Capacity:
ODM Service
Company Profile:
Hongxing (ISO 9001 certified under the International Quality Management System) has been deeply engaged in the steel structure industry for 15 years, committed to providing high-quality steel structure products and integrated solutions steel building projects. Our business spans both domestic and international markets. Our headquarters and production base (Fucheng Hongxing), is strategically located in Fucheng County Industrial Park (The steel hub in Hebei). Our factory comprises three major production areas more than 20, 000 m², supported by efficient logistics and a well-developed transportation network around.

Qingdao Chengchuan Construction Engineering Co., Ltd

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel Structure
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Chengchuan Construction Engineering Co., Ltd It is a wholly-owned subsidiary of XINGUANGZHENG company, which was established in 1997. After more than 20 years of steady development, it has become a high-tech, diversified, and outward oriented international private enterprise that integrates research and development, design, production, installation, construction, and services. It was listed on the New Third Board in 2015 (stock code: 834422). With strong technical capabilities and rich engineering experience, the company not only obtained the first level qualification for steel structure engineering professional contracting and the first level qualification for Chinese steel structure manufacturing enterprises, but also has various qualifications such as waterproof, anti-corrosion and insulation engineering, building decoration, building curtain wall engineering, and general contracting for construction engineering. It has been listed as a modern production base for the construction industry in Shandong Province and has participated in Jiaozhou International Airport, Qingdao, and other construction projects. Projects such as subway, Qingdao Aviation Technology Research Institute, Hehua Technology Logistics Town, Haier, Hisense, etc, And establish strategic cooperative relationships with large domestic enterprises such as China Construction Engineering Corporation and China Railway Corporation. In order to better serve the global market, the company has obtained the CE certification (EN1090 certificate), the international high grade certificate of ordinary steel structure and the qualification certificate for contracting projects overseas in China. Before the country formally proposed the "the Belt and Road" development strategy, it has begun to cooperate with countries along the "the Belt and Road" and related enterprises, and actively explore the international development path for the global market. Now its products and construction services have been exported to more than 80 countries in the world, including Asia, Africa, North and South America, Oceania, Europe, etc., and established joint ventures in India and Ethiopia, forming all-round strategic cooperation with customers in the Philippines, Algeria and other countries. The construction of the company's core competitiveness stems from the long-term unremitting pursuit of technological breakthroughs. There are now more than 100 senior technical talents of various types, and cooperation relationships have been established with many universities and scientific research institutions. With the help of internal and external intellectual resources, relying on steel structures, the company continuously innovates in new products, new technologies, new models, and new formats, and continuously achieves new breakthroughs in the "steel structure whole house system". The company will continue to adhere to the corporate purpose of "taking society as its own responsibility, taking the enterprise as its platform, taking the team as the core, improving oneself, and creating wealth together", the corporate mission of "benefiting society, achieving employees, making customers happier, and making the enterprise more sustainable", and the corporate vision of "becoming the world's first brand of steel structure". With a sound modern management system, we will fully promote the comprehensive and rapid development of the company and society.

Ningbo Anpu Lighting Co., Ltd

5.0
Main Products:
Giant Christmas Tree, Motif Light, Festival Lantern, Street Decoration, Landscape Lighting, Festival Light, Garlends Lights, LED Strings, Pixel RGB LED Light, Lighted Sculptures
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Company Profile:
ANPU Lighting is a professional manufacturer specializing in giant Christmas trees, large Christmas trees, motif lights, decorative light sculptures, and custom festival lighting solutions.

Qingdao Xinguangzheng Consform steel structure Co., Ltd.

10 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Steel Structure
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinguangzheng Steel Structure Co., Ltd, founded in 1997, is now the first steel structure listed company (New OTC Market) of Qingdao after a 20-year stable development. It is the group member unit of China Steel Structure Association; The member of China Construction Metal Structure Association; Committee unit of China Chamber of International Commerce, and is rated as Credit enterprise (class AAA) by Ministry of Commerce and

Hunan Sanwei Intelligent Environmental Protection Equipment Co., Ltd

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Conveyor Roller, Conveyor Belt, Conveyor Bracket, Conveyor Idler Conveyor Bracket, V-Belt, Rubber Belt, Steel Structural
Country/Region:
Hunan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Human Sanwei Intelligent Environmental Protection Equipment Co., Ltd., a leading industrial drive system service provider and manufacturer in Central Chinahas been dedicated to innovation and development since its establishment in2005. Over nearly two decades, the company has built an integrated industrialchain covering R&D design, production and sales service. With a facility span-ning approximately 28, 000 square meters, its annual output value exceeds onebillion yuan.

Wenzhou Daoqin Handicraft Co., Ltd.

5.0
Main Products:
Acrylic Box, Acrylic Display Box, Acrylic Display Stands, Acrylic Storage Box, Acrylic Photo Frame, Acrylic Sheet, Cast Acrylic Sheet, Acrylic Storage Rack
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Wenzhou Daoqin Crafts Co., Ltd.   Has 15 years of professional production experience. The factory covers an area of 10, 000 square meters, featuring modern standard independent workshops. It has also introduced advanced acrylic production lines and equipment, and possesses an experienced technical team. This enables us to provide one-stop services from raw materials to finished products, thereby controlling material costs. We strive to achieve higher quality and better results in each process such as cutting, laser engraving, polishing, screen printing, heat bending, gluing, etc. The acrylic products produced by our company are sold worldwide and provide good supply guarantees for cross-border e-commerce and enterprise customers. We sincerely invite new and old customers to visit our company for guidance and cooperation. We will wholeheartedly bring you the best experience!

Haihui Environmental Protection Equipment Co., Ltd.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Belt Conveyor; Dust Collector; Conveyor Roller; Conveyor Pulley
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Haihui Environmental Protection Equipment Co., Ltd. is located in Ju County, Rizhao City, Shandong Province, China. It is an innovative manufacturing enterprise that integrates research and development design, production and manufacturing, installation and application, and operation and maintenance. The company has been recognized as a national high-tech enterprise and a gazelle enterprise in Shandong Province. The company has 12 intelligent production workshops and a manufacturing base with an annual output of 15000 units (sets). The company has 168 authorized patents, including 15 invention patents. The company's business covers material conveying, mining machinery, air treatment, VOCs treatment, water treatment, and electrical automation fields. Its main products are belt conveyors and their accessories, such as conveyor rollers and conveyor pulleys; Dust collectors and their accessories, such as bag cages and filter bags. Our products are widely used in metallurgy, power, building materials, chemical, and port industries. We have established long-term strategic partnerships with Shandong Iron and Steel Group, Yongfeng Iron and Steel, Shiheng Special Steel, Shagang Group, Nine Dragons Paper, and Sun Paper in China. At the same time, our products are exported overseas, covering countries and regions such as the United States, Russia, Canada, Australia, Egypt, South America, the Middle East, and Southeast Asia. Technology drives development, innovation leads the future. We are equipped with advanced intelligent automated production lines, standard production control systems, and strict quality control systems to achieve efficient collaboration in the production process and ensure product excellence. Welcome customers from home and abroad who are interested in our products to visit our company!

Shenzhen Liheda Electromechanical Equipment Co., Ltd

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Sheet Metal Fabrication Parts, Welded Frames & Structures, Electrical Cabinets & Enclosures, CNC Bending & Forming Parts, Precision Metal Parts, Industrial Equipment Frames, Mechanical Assembly Parts
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shenzhen Liheda Electromechanical Equipment Co., Ltd. Was established in 2008 and is located in Shenzhen, Guangdong, China. With more than 18 years of manufacturing experience, the company specializes in sheet metal fabrication, welded structures, electrical enclosures, industrial cabinets, and customized metal products for global customers.

Zhongshan Lambert Precision Hardware Co., Ltd.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Metal Fabrication, Sheet Metal Part, Sheet Metal, Steel Fabrication, Sheet Metal Box, Sheet Metal Fabrication, Enclosure Metal, Custom Metal Fabrication, Laser Cutting Service, Stamping Parts
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhongshan Lambert Precision Hardware Co., Ltd. is a professional sheet metal manufacturer established in 2012. While pursuing technology, we are also pursuing industrial automation processing to reduce costs. We are determined to build the most practical team, the most professional technology, the most advanced processing equipment, and the highest quality products in the industry. For this reason, our company has trained more than ten Engineers, more than 30 professional production workers, invested funds to update the equipment.

Anhui Xuanzhi Steel Structure Co., Ltd

3 yrs·4.0
·Manufacturer/Factory & Trading Company
Main Products:
Steel structure factory
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2023 and located in Tianchang, Anhui-the core industrial hinterland of the Yangtze River Delta, Anhui Xuanzhi Steel Structure Co., Ltd. is a high-tech, diversified, and export-oriented professional steel structure enterprise integrating R&D, design, manufacturing, and technical services.

Canton King Way Industrial Co., Limited

Main Products:
License Plate Frame, Car License Plate Frame, Car Number Plate Holder, Car Number Plate Cover, Plastic License Plate Frame, Chrome Emblem, Logo Badge, Name Plate, Motorcycle Oil Tank, Flat Wiper Blade
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Canton King Way Industrial Co., Limited Is a comprehensive enterprise integrating R & D, production, sales, focus on producing high-end automotive accessories and promotional items such as hardware plastic products.

Shandong Zouping SHIHUA Machinery Co., Ltd

28 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Transformer Plate-type Oil Tank, Electric Round Air Valve, Fully Automatic Meat Slicer, Paper Shelf for Paper Machine, Paper Machine Doctor Blade, Paper Machine Suction Box, Multi-roller Leveling
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Zouping SHIHUA Machinery Technology Co., Ltd. Based in Binzhou, China, is one of the very few companies that have the capabilities to provide a full range of metalworking products and services to customers worldwide. Our company has been deeply engaged in the fields of welding and mechanical processing for nearly 30 years, and has cultivated a large number of engineers and workers.

Anhui Yaohai Steel Structure Construction Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
Steel Structure
Country/Region:
Anhui, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Anhui Yaohai Steel Structure Construction Group is a comprehensive enterprise integrating architectural design, steel structure production and installation, general contracting for building construction, and new energy vehicle city development. The group owns several subsidiaries, including Anhui Yaohai Steel Structure Construction Co., Ltd., Hefei Yaohai Steel Structure Construction Engineering Co., Ltd., and Hefei Yaohai New Energy Co., Ltd.

SDKM Metal Materials Co., LTD

7 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Steel Structure, Steel Building, Warehouse Building, Construction Building, Steel Structure Warehouse, Building Construction, Industrial Warehouse, Steel Structure Building
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Our company is located in Binzhou, Shandong Province, China, and is a professional steel structure processing enterprise with a production base of 70, 000 square meters. We have a complete production line with an annual output of 500, 000 tons, and are equipped with advanced production equipment and a skilled technical team to provide high-quality steel structure products for global clients.

Dongguan Changwei Machinery Co., Ltd.

15 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Welding frame, structural components, racks, equipment casings
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Changwei Machinery Co., Ltd is a professional engaged in machining manufacturing, frame welding production, surface spraying treatment as one of the non-standard processing enterprises.

Yangzhou Meiyi Machinery Technology Co., Ltd.

12 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Acrylic Display
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Meiyi Technology Co., Ltd. is a professional and reliable manufacturer specializing in the R&D, design, production, and sales of high-quality acrylic (PMMA) products, located in Jiangsu Province, China-a core area for advanced manufacturing and global trade. With years of experience in the acrylic industry, we have established a complete and mature production system, adhering to the concept of "quality first, customer-oriented, innovation-driven" to provide high-standard acrylic solutions for customers at home and abroad.

Qingdao Titan Construction Engineering Co., Ltd.

Main Products:
Steel Structure, Steel Building, Steel Structure Workshop, Steel Structure Warehouse, Steel Shed, Steel Garage, Steel Workshop, Steel Warehouse, Prefabricated Steel Structure, Prefabricated Steel Building
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Titan Co., Ltd. is a high-tech enterprise with rich experience in the steel structure industry, focusing on the full-chain services of steel structure design, production and installation. With professional technical strength and a comprehensive service system, we provide global customers with one-stop and customized steel structure building solutions!

Ningbo Hongchuang Commodity Co., Ltd.

Main Products:
Storage, Home Decoration, Kitchenware, Housewares, Gifts & Crafts, Office & School, Beauty & Personal Care, Festival Items, Wooden Photo Frame, Garden Tools
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
NINGBO BOHONGCHUANGYI INTERNATIONAL Co., Ltd. (NBHC) which was founded in 2003, has developed rapidly into one of the biggest general merchandise trading group in Ningbo.

Quanzhou Bluehaven Construction Co., Ltd

5.0
Main Products:
Steel Structure, Prefab Warehouse, Steel Workshop, Cow Shed, Garage, Steel Building, Factory Warehouse, Prefabricated Building, Chicken House, Farm House
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in Fujian, China, Bluehaven Construction Co., Ltd. is a professional steel structure manufacturer with over 20 years of export experience. Our products are widely used in warehouses, workshops, commercial buildings, industrial buildings, agricultural buildings, and offices. We utilize a variety of fully automated machinery and equipment, rigorous quality control procedures, and offer customized packaging and shipping solutions tailored to each client. We are committed to creating the most valuable and suitable building steel structure systems. Over the years, we have successfully served numerous companies around the world and have served over 80 countries, including Mexico, Guatemala, the Philippines, Indonesia, the United States, and Canada, consistently providing our customers with innovative products and high-quality service. We have successfully completed numerous projects for clients worldwide, and our products have earned wide recognition and trust from our users. We welcome new and existing customers to contact us and visit our factory to establish future business relationships and achieve mutual benefit!

Qingdao XGZ Steel Structure Overseas Co., Ltd.

3 yrs·4.4
·Manufacturer/Factory & Trading Company
Main Products:
Warehouse, Workshop, Steel Structure, Steel Structure Warehouse, Steel Structure Building, Industrial Steel Structure, Building Material, Steel Structure Factory, Prefabricated Steel Structure, Commercial Steel Building
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinguangzheng Steel Structure Co., Ltd, founded in 1997, is now the first steel structure listed company (New OTC Market) of Qingdao after a 20-year stable development. It is the group member unit of China Steel Structure Association; The member of China Construction Metal Structure Association; Committee unit of China Chamber of International Commerce, and is rated as Credit enterprise (class AAA) by Ministry of Commerce and SASAC of PRC. It has also been listed into the Modern Production Base of Construction Industry in Shandong Province and has achieved the honor of famous mark of Shandong Province.

Qingdao Tongxiangming Fabrication Co., Ltd

17 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Metal Part, Car Part, Welding Part
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Qingdao Shunxin Electrical and Mechanical Equipment Co., Ltd.

12 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Steel Structure Building, Modular Triangular House, Murphy Bed Mechanism, OEM Metal Parts, Bunk Bed Frame, Murphy Bed, Bed Frame with Lift Function, Sheet Metal Welded Parts, Folding Sofa Bed, CNC Hardware Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Shunxin Mechanical Equipment Co., Ltd. Was established in 2015. It has been dedicated to providing OEM & ODM metal processing manufacturing services for multiple industries worldwide. Through years of development and innovation, Shunxin has become a top domestic metal processing service provider integrating R&D, production and services. It holds dozens of invention patents and has been recognized as a high-tech enterprise.  

JIANGXI FANGDA TECH CO., LTD.

11 yrs
·Manufacturer/Factory
Main Products:
Fiberglass Doors, Steel Doors, PVC Jamb and Component
Country/Region:
Jiangxi, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
We are a professional manufacturer for all kind of steel doors and fiberglass doors with over ten years of experience and have focused on the research and production of doors over the past years. Now it owns a fully automatic production line with processes of bending, punching, embossing, folding, board jointing and foaming.

JIANGYIN NUOHENG METAL PRODUCTS CO., LTD

5.0
Main Products:
Aluminium Profile, Solar Frame&Bracket, Assembly Line Profile, Exhibition Profile, Elevator Profile, CNC Machining, Solar Mounting Structure, LED Lighting Profle, Aluminium Radiator, Auto Parts
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangyin Nuoheng Metal Products Co., Ltd located in Zhouzhuang Town, Jiangyin City, Jiangsu Province, which is the No. 1 base of industry and economy in Regions to the South of the Yangtze River, having the title of "The Oldest SOD of Aluminium Profiles", the largest production base of aluminium extrusion profiles in Jiangsu Province. Near to Shanghai Pudong Airport and Shanghai Port, the location is very convenient for transportation.

Xiamen Langxue Spectacles Co., Ltd.

15 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Sunglasses, Reading Glasses, Plastic & Metal Optical Frames
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xiamen Langxue Spectacles Co., Ltd is founded in June 1999.It is a professional and experienced manufacturer mainly produce high quality sunglasses, optical eyewears and reading glasses with the material of acetate, metal and plastic and TR90.We also offer large quantity of eyeglasses accessories for many of our clients in low price such as sunglass cases, sunglasses boxes, eyeglasses pouches, sunglass cloths, handtags and so on.We own the workshops surface area of sunglasses producing line near 15000m2 in Xiamen area.Our products meet the standards of CE, 100 UV protection, AS/NZS1067:2003;EN1836:2005 and FDA.Every year, we spend large fund in designing new sunglasses and optical frames and especially focus on the quality control system to make sure all of our customers can receive stable and high quality eyeglasses.We keep training every workers until they are professional and skilled in their jobs and most importantly keep them have the idea in their mind"ONLY GOOD QUALITY".For years, we keep targeting on our principle:"ONLY HIGH QUALITY, EFFICIENT SERVICES and QUICK SAMPLING" We own a good reputation in producing high quality eyeglasses.We grow rapidly and steadily year by year and have established plesant and long term business relationships with the clients from Europe, Asia, Ocea, North America, South America, and Africa.

Jinhua Banruo Building & Decorating Material Co., Ltd.

29 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Artistic Ceiling Decoration; PS And PU Cornice; Artistic Wall Panel; Roman Column; Plastic Moulding
Country/Region:
Zhejiang, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jinhua Banruo Building &Decorating Materials Co., Ltd. is a supplier of new-type building and decorating materials. We are specifically engaged in interior artistic design and the research, development, manufacture and distribution of artistic ceiling, ceiling panels and related products. Our business motto is "Meeting the needs of market, Playing the leading role in the industry, Supplying artistic decorating materials, Helping clients enjoy dedicated decorations with our Professionalism and Devotion.

Shandong Zhishang Steel Co., Ltd.

Main Products:
Welded Box Column, Steel Structure Workshop, Steel Columns, Steel Beam, Stainless Steel Part, Steel Frame, H Section Steel, Perforated Metal Sheet, Steel Grating, Custom Machining Part
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
General project: Metal structure manufacturing; Metal structure sales; Construction of landscaping projects; Sales of metal materials; Metal material manufacturing; Sales of building materials; Wood sales; Wholesale of hardware products; Processing of Machine element and spare parts; Sales of Machine element and spare parts; Rental of mechanical equipment; Sales of mechanical equipment. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently with the business license in accordance with the law) Licensed projects: Construction engineering design; Construction engineering construction; Construction labor subcontracting