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metallic surface processing4,000+ factories verified

Yantai Deshibo Precision Machinery Co., Ltd.

6 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Sheet Metal Fabrication, Electronic Box, Aluminium Enclosure, Stainless Steel Control Box, Powder Coating Metal Parts, Laser Cutting Parts, Welding Parts, Aluminium Parts, CNC Machining Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Yan Tai Deshibo Precision located in Yantai Development area. Has more than 10years experience of precision sheet metal fabrication. It covers an area of 20.000square meters, Now more than 30+ worker.

Guangdong Shangfeng Steel Group Co., Ltd.

5.0
Main Products:
Steel Pipe, Steel Plate, Steel Coil, Rebar, Profile, Steel Processing, Steel Accessories, Stainless Steel Pipe, Stainless Steel Plate, Angel Steel
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Guangdong ShangFeng Steel Group Co., Ltd located in Lecong Steel World, Foshan city, China, has more than 15 years development history.

Jiangxi Jinpeng Aluminium Industry Co., Ltd.

19 yrs
·Manufacturer/Factory & Trading Company
Main Products:
OEM Factory for Aluminium Extrusion Profile, Building Aluminium Alloy for Window and Door, China Aluminum Manufacturer for Aluminum Profile, Building Aluminium Material, Industrial Aluminum Profile an
Country/Region:
Jiangxi, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Jinpeng Aluminium is a big scale Aluminium Extrusion Manufacturer for Aluminium Extrusion Proifle. We are located in Nanchang City, China.

Shandong Fenghong New Material Technology Co., Ltd.

4 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Storage Tank, Stainless Steel Plate, Stainless Steel Pipe, Carbon Steel Plate, Carbon Steel Pipe, Galvanized Sheet, Seamless Steel Pipe, Aluminum Plate, Aluminum Pipe
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Fenghong New Materials Technology Co., Ltd. is a modern steel enterprise specializing in the research, development, production, processing, and sales of metal materials. With years of experience in the industry, it has become a core supplier for numerous engineering construction and industrial manufacturing clients thanks to its high-standard production system, meticulous quality control processes, and customized service solutions.

Jiangsu Rongyi Metal Co., Ltd

Main Products:
Stainless Steel Sheet, Stainless Steel Pipe, Stainless Steel Coil, Stainless Steel Wire, Galvanized Sheet, Seamless Pipe, Channel Steel, Stainless Steel Angle Steel, Stainless Steel Profiles
Country/Region:
Jiangsu, China
Sample Service:
Sample Available
Company Profile:
Jiangsu Rongyi Metal Co., Ltd was established in 2018 with a registered capital of RMB 50 million and has more than 20 years of experience in the steel industry. Annual sales are nearly RMB 1 billion and steel production is about 300, 000 tons.

TXD Steel Group Co., Ltd.

Main Products:
Galvanized Steel, Galvalume Steel, PPGI Steel, PPGL Steel, Stainless Steel, Roofing Sheet, Steel Sections, Steel Pipes
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
TXD Steel Group Co., Ltd. is a professional and comprehensive steel export enterprise integrating production, processing, international trade and logistics services. Headquartered in Jinan, China, we have established wholly-owned subsidiaries in Guangzhou, Suzhou and Egypt, forming a complete domestic and international operation network that covers production coordination, market development and localized service. With years of deep cultivation in the steel industry, we have built a stable and reliable global supply system and won high recognition from customers around the world.

Xiamen Ballgarii General Equipment Co., Ltd.

6 yrs
·Manufacturer/Factory
Main Products:
CNC Machining, 3D Printing, Vacuum Casting, Injection Molding, Sheet Metal Fabrication, Rapid Prototyping, Small Batch Production, Mass Production
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Xiamen Ballgarii General Equipment Co., Ltd, covers an area of 5, 000 square meters, with more than 100 employees and more than 5, 000 customers worldwide. It is a leading provider of one-stop product development solutions. With years of experience in CNC machining, 3D printing, Vacuum casting, Low Volume Manufacturing, Sheet Metal Fabrication and Injection molding, we offer comprehensive services from industrial product design to mass production.

Dongguan Yuelinsen Metal Technology Co., Ltd.

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
CNC Machined Parts of Stainless Steel, 316L Stainless Steel Processing, CNC Machined Parts, Medical Metal Processing Parts, Biopsy Needle, Stainless Steel Capillary Tube, Medical Syringe Processing, Medical Orthopedic Drill Bit Processing, Spare Parts, Needle
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Yue Lin Sen Metal Technology Co., Ltd. Introduction Dongguan Yue Lin Sen Technology Co., Ltd.: Has passed the quality system certification of GB/T 19001-2016/ISO 9001: 015 and GB/T 42061-2022/ISO 13485: 2016 medical device quality management system certification It specializes in the research and development and production of non-standard hardware medical device precision accessories as the main machine-processed metal products. It has dozens of high-precisionving lathes and CNC equipment: CNC lathes, engraving milling, lathe-milling compound machine, precision laser cutting of stainless steel capillary tubes for snake bone products, secondary processing of stainless steel thin-walled tubes (capillary tubes reduction, head sealing, bending, stamping secondary processing), and centerless grinding of long shaft products (health care level workshop) Main materials: Stainless steel capillary tubes, copper, aluminum, plastic, etc. For non-standard processing customization. Widely in electronics, electrical appliances, medical devices, automobile parts, transportation and other industries. The company is recognized by the industry with "Quality-oriented, Integrity Management", focusing non-standard parts sample making and batch processing, supporting custom drawing and sample customization, etc. The process flow is stable and efficient, the industry is quick to ship, the crafts spirit quality assurance, no middleman, and the company adheres to the customer-oriented, quality first, excellence, and win-win cooperation management concept, "Honest and after-sales guarantee! ! ! "Dongguan Yue Lin Sen Metal Technology Co., Ltd. Introduction Dongguan Yue Lin Sen Technology Co., Ltd.: Has passed the quality system certification of GB/T 19001-2016/ISO 9001: 015 and GB/T 42061-2022/ISO 13485: 2016 medical device quality management system certification It specializes in the research and development and production of non-standard hardware medical device precision accessories as the main machine-processed metal products. It has dozens of high-precisionving lathes and CNC equipment: CNC lathes, engraving milling, lathe-milling compound machine, precision laser cutting of stainless steel capillary tubes for snake bone products, secondary processing of stainless steel thin-walled tubes (capillary tubes reduction, head sealing, bending, stamping secondary processing), and centerless grinding of long shaft products (health care level workshop) Main materials: Stainless steel capillary tubes, copper, aluminum, plastic, etc. For non-standard processing customization. Widely in electronics, electrical appliances, medical devices, automobile parts, transportation and other industries. The company is recognized by the industry with "Quality-oriented, Integrity Management", focusing non-standard parts sample making and batch processing, supporting custom drawing and sample customization, etc. The process flow is stable and efficient, the industry is quick to ship, the crafts spirit quality assurance, no middleman, and the company adheres to the customer-oriented, quality first, excellence, and win-win cooperation management concept, "Honest and after-sales guarantee! ! !

Dongguan Guanneng Automation Technology Development Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
CNC Machining Parts, Precision Machining Parts, Precision CNC Machining Parts, CNC Turning Part, Machinery Part, Machined Part
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Guanneng Automation Technology Development Co., Ltd. is a company integrating R & D, production, testing, assembly and after-sales service. We have more than 15 years of experience in machining industry. We specialize in CNC machining, CNC milling, grinding, wire cutting and other products. We have been providing precision machining manufacturing for machining, biomedical, automotive industry, semiconductor, automation, petroleum machinery and other industries.

KGL Machinery & Electronics Co., Limited

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
CNC Part, CNC Machining, Machining Part, Machined Part, Machine Part, Auto Parts, Machinery Mart, Precision Parts, CNC Lathe Parts, Stamping
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Established in 2013, KGL stands as a leading high-tech private enterprise that specializes in the integration of independent R&D, production, sales, and comprehensive service.

Qingdao Huarui Hardware Products Co., Ltd.

Main Products:
Sheet Metal Fabrication, CNC Machining Part, Sheet Metal Enclosure, Metal Welding, Metal Bending, Metal Pounching, Metal Laser Cutting, Precision Machining Parts
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Huarui Hardware Products Co., Ltd. is located in Qingdao, a beautiful coastal city in China. Main Business: Laser Cutting, Punching, Shearing, Bending, Pressing, Welding Metals & Materials: Carbon Steel, Stainless Steel, Aluminum, Alloy steel, Copper, Brass, etc. Machining Equipments: Laser cutting machine, CNC punching machine, shearing machine, bending machine, welding machine, drilling machine, polishing machine, etc. Surface Finish: Powder coating, Zinc coating, Galvanization, Electro-deposition coating, Chrome/zinc/nickel plating, Polishing, Silkscreen, Black oxide Application: Our products have been used in Medical, Wind powership buildingThe locomotive Engineering machineryElectric power equipmentEquipment shellThe advertising industrynon-standard parts and special equipment. Inspection: All the products are strictly inspected by operator and skilled QC with record put down. Baichao sheet metal process regards quality as a core issue. Certificate: ISO9001: 2000, GB Advantages: Low MOQ (5-10 PCS samples for checking at first is available. )Short lead time. OEM/ODM manufacturer and trading company; Highly experienced teamInvesting in the first-class brand laser cutting technology. Provide a consistently accurate laser cutting service. Use 'state of the art' high speed laser cutters, plus CNC bending machinery.

Hehui General Equipment Co., Ltd.

Main Products:
Aluminum Profile, Windows and Doors, Curtain Wall Profiles, Aluminum House, Aluminum Industrial Profiles, Aluminum Construction Profile, Aluminum Decoration Profile, Solar Mounting System, Aluminum CNC Parts, Aluminum Fence/ Handrails
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Hehui General Equipment, is a group of companies that comprehensively cover the following industries: Raw materials manufacture, Commodities trading, Aluminum profiles, Windows and doors, Solar mounting systems

Jiangsu Jingye Iron and Steel Co., Ltd.

2 yrs
·Trading Company
Main Products:
Aluminum Sheet, Aluminum Coil, Aluminum Foil, Aluminum Bar, Aluminum Pipe, Copper Sheet, Copper Coil, Copper Bar, Copper Wire, Copper Pipe
Country/Region:
Jiangsu, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu Jingye Iron and Steel Co., Ltd. is a premier global manufacturer and supplier specializing in high-quality non-ferrous metal solutions. With a strategic focus on aluminum and copper products, we have established ourselves as a cornerstone of industrial excellence, catering to a diverse range of sectors including construction, automotive, aerospace, and electronics.

Shandong Bullis Metallurgical Engineering Co., Ltd.

Manufacturer/Factory
Main Products:
Lime Kiln, Rotary Kiln, Magnesium Production Line, Dolomite Production Line, Gypsum Production Line, Mining Dryer, Cement Production Line
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Bullis Metallurgical Engineering Co., Ltd. is a subsidiary of Heze Shuanglong Metallurgical Machinery Group and is located in Shandong Province, China. Shuanglong Group is a leading large-scale industrial intelligent equipment manufacturing enterprise. It has a registered capital of 111.1 million yuan, more than 200, 000 square meters of factory area, and more than 420 employees. The company's main business include equipment manufacturing, production line design, R&D, manufacturing, commissioning, operation and other engineering general contracting. The business segment involves metallurgy, building materials, chemical industry, environmental protection, new energy and other fields, providing customers with one-stop equipment and engineering overall solutions. Our main business scope include: 1. Equipment Manufacturing Rotary kiln, pre-heater, cooler, dryer, ball mill, crusher, elevator, chain plate machine, tractor, vibrating screen, sieve, feeder, loader, screw conveyor, dust collector, desulfurization and denitrification equipment, etc. 2. EPC Engineering We can do EPC production lines for lime, cement, metal magnesium, zinc oxide, ceramsite, lithium ore, solid and hazardous waste, ceramic proppant, gypsum and other related industries, providing customers with one-stop equipment and engineering solutions. 3. Design and Technical Service We have processional technical team for different industries, can provide customers with processing design, commissioning, training, and also other technical service, to ensure the project put into production with good quality products. Core ValuesInnovation-driven: Continuously explore new technologies and new processes, develop more efficient and energy-saving metallurgical equipment, and use innovation to promote the company's development in the fields of metallurgical equipment and engineering. Quality first: We strictly control every product and every project, and adopt strict quality inspection processes to ensure the stability and reliability of equipment and projects. Customer-oriented: Always put customers' needs first, provide personalized solutions and quality services, establish long-term partnerships. QUALIFICATION/HONORS: National High-tech EnterpriseShandong "Specialized, Specialized and New" EnterprisesShandong Gazelle EnterpriseShandong Unicorn Enterprise

ZS YINGBO METAL INDUSTRY CO., LTD

4 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Metal Wall Decoration, Power Feed, Pressurized Loose Knife Cylinder, Sheet Metal Enclosure, Sheet Metal Fabrication Products, Table Leg
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Zhongshan yingbo metal Industry Co., Ltd. is a metal manufacturing company with 20 years experience that specializes in providing high-quality metal products and solutions for a wide range of industries.

Qingdao Zhengrong Precision Machinery Co., Ltd.

20 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Precision Machine/machinery/machined Part, Cnc Machining Part, Cnc Lathe Part, Cnc Turning Part, Cnc Milling Part, Cnc Grinding Part, Cnc Machining Service, Aluminum Part, Metal Part, Plastic Part
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company was established in February 2007, located in chengyang district, Qingdao city. We are specialized in Custom Precision CNC Machining Parts, Including CNC Lathe Parts, CNC Turning Parts, CNC Milling Parts, CNC Grinding Parts, and various kinds of machine parts.

Chengdu Shiwei Jiecheng Machinery Technology Co., Ltd

3 yrs·5.0
Main Products:
Bolt, Nut, Screw, Machined Parts, Washer, Tool Cabinet, Cutting Tools, Sheet Metal Parts, Cast Parts, Forged Parts
Country/Region:
Sichuan, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Chengdu Shiwei Jiecheng Machinery Technology Co., Ltd. is a large-scale fastener enterprise that integrates research and development, production, and sales, and also professionally provides supply services of various mechanical processing parts. We have been deeply involved in the fastener industry for 15 years and have continuously provided professional fastener services and high-quality mechanical processing parts supply to tens of thousands of enterprises worldwide; In 2024, with the support of government foreign trade policy projects, we officially settled in Chengdu, the trade and financial center of western China, starting a new journey of global market expansion.

Dongguan Xinyali Hardware Products Co., Ltd.

5 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Stainless Steel Components, CNC Prototype Custom Parts, Precision Machining of Metal Parts, Aluminium Alloy Components, Medical Device Parts, Aluminium Alloy Formed Parts, Specialised Components
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Dongguan Xinyali Hardware Products Co., Ltd. is a remarkable company that stands out in the field of hardware product manufacturing. With its advanced equipment and a set of outstanding features, it has established itself as a reliable and preferred choice in the industry.

Huizhou Baishengke Precision Technology Co., Ltd

5 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Aluminum Casting Part, Zinc Casting Part, Display Stand, Side Mirror, Semiconductor Machine Part, Housing, Enclosure, Drone Accessories, Tooling Housing, Customized Part
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Huizhou Baishengke Precision Technology Co., Ltd., established in 2001, was formerly known as Shenzhen Baishengke Precision Industry Co., Ltd. Now located in Zhenlong Town, Huizhou City, the company boasts a modern factory area of 11, 000 square meters and over 100 experienced employees.

Shandong Honsiron Machinery Parts Co., Ltd

5.0
Main Products:
5 Axis CNC Router, 5 Axis CNC Machine, CNC Router, CNC Milling Machine, Tool Bits, 3 Axis Machining Center, Saw Milling Machining Center, Wood CNC Router
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Honsiron Machinery Parts Co., Ltd specialized in designing developing and producing various CNC machine and gantry machining centers. All the products have been approved by ISO9001: 2000 and CE, we achieve ERP strategy and have independent right to export and import.

Wuhan Zhongzheng Intelligent Manufacturing Co., Ltd

Manufacturer/Factory & Trading Company
Main Products:
CNC Turning Part, CNC Milling Part, CNC Machined Parts, Metal Parts, Five-Axis Machining, Copper Parts
Country/Region:
Hubei, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Wuhan Zhongzheng Intelligent Manufacturing Co., Ltd. Has more than 10 years of experience in customized CNC machining parts in China. The precision parts we manufacture have been widely used in aerospace, medical, automotive, mechanical and electronic, military and other industries. Strictly in accordance with the ISO standard in the management rules and regulations, fully ensure the quality of CNC products and customer satisfaction, we focus on customized CNC machining services, whether it is product design, complex parts, small batch or mass production, are adhering to the highest standards of CNC machining. Designed to provide CNC machined parts quickly at a premium price and with strict production quality. Thanks to our comprehensive CNC machining capabilities, you can order CNC machined parts online. To this end, we have a quick quote option on our website where you can ask questions. Our team ensures that every request is answered in the shortest possible time. We work with institutions around the world to produce precision machined parts from a wide range of certified, qualified materials, including a wide range of plastics and metals.

Fujian RBT Intelligent Equipment Co., Ltd.

Main Products:
Luggage Making Machine, Five Axis CNC Machining Center, Vacuum Forming Machine, Five Axis CNC Machine, Luggage CNC Cutting Machine, Five Axis CNC Milling Machine, 5 Axis CNC Router, Faucet Making Machine
Country/Region:
Fujian, China
Sample Service:
Sample Available
Company Profile:
Fujian RBT Intelligent Equipment Co., Ltd. is an one-stop advanced solution provider of luggage production and non metel 5 axis CNC cutting. Our products include:  

Xiamen Zhichuanglianyi Technology Co., LTD

Main Products:
Automation Equipment Accessories Aerospace Prec, Mechanical Equipment, Five Axis Machining, CNC Machining, New Energy Vehicle Parts, Mechanical Processing Services, Robot Accessories, Medical Device Accessories, Welding and Sheet Metal Manufacturing, Aluminum Part
Country/Region:
Fujian, China
Company Profile:
Xiamen Zhichuang Lianhui Technology Co., Ltd., established in Xiamen, China, is a professional high-end equipment support and imported alternative precision manufacturing service provider with 25 years of experience in custom non-standard precision machinery parts processing. We specialize in the R & D and mass production of non-standard metals / non-standard parts, precision structural parts, jigs and components for automation equipment.

Ningbo Hengsheng Machinery Co., Ltd.

Main Products:
Casting Part, Lost Wax Casting, Investment Casting Parts, Drop Forging Parts, Machining Parts, Open Die Forging Parts, Die Casting Parts, Bucket Tooth-Tooth Points, Metal Work Parts, Steel Casted-Forged Parts
Country/Region:
Zhejiang, China
Sample Service:
Sample Available
Company Profile:
HengSheng Machinery is specialized in Engineering and Machinery steel Parts Company, which makes a wide range for Products including:Iron casting, Investment casting, Gravity casting, Alu die casting and Injection Parts, Forging parts, Stamping, Automotive parts and other casting components and products

ATAIRAC ENGINEERED PRODUCTS INC(CHINA)

13 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Vibrating Feeder; Jaw Crusher; Impact Crusher; Cone Crusher; Vertical Shaft Impact Crusher; Vibrating Screen; Belt Conveyor; Mills; Mobile Crusher
Country/Region:
Shanghai, China
R&D Capacity:
ODM Service
Company Profile:
ATAIRAC China is the top3 of mining equipment in China. Our products include feeder, jaw crusher, impact crusher, cone crusher, sand making machine, vibrating screen, sand washing machine, spiral classifier, fine sand recycling device, belt conveyor and other mineral production line assistant equipments.

Tianjin Weiming Industrial & Trading Co., Ltd.

Main Products:
Steel Fabrication, Steel Wind Fence, Steel Structure, Powder Coated Steel, Fence Post, Camping Cabin, Wind Turbine Blade Transportation Frame, Steel Carport, Steel Garage, Steel Materials
Country/Region:
Tianjin, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Founded in 2001 and officially renamed in July 2004, Tianjin Weiming Industrial & Trading Co. Ltd. (WMITC) is a leading manufacturer and trading company specializing in steel products, custom fabrication, and environmental protection solutions. Headquartered in Tianjin-North China's largest seaport and steel industry hub-WMITC leverages strategic geographic advantages for abundant raw material access and convenient global logistics.

Shandong Chaoruisi Hi - Tech Metals Co., Ltd

13 yrs·5.0
·Manufacturer/Factory & Trading Company
Main Products:
Seamless/Welded Stainless Steel Pipe, Ultra-Clean Pipe, EP/BA/MP/AP Stainless Steel Tube, Stainless Steel Fittings & Connectors& Accessories
Country/Region:
Shandong, China
Sample Service:
Sample Available
Company Profile:
Shandong Chaoruisi Hi-Tech Metals Co., Ltd. Was established on November 29, 2013, with a legal representative of Sun Chengyong, a registered capital of 10.8 million yuan, a unified social credit code of 91370705085110806T, and an address at the Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong. Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong Province. The industry it belongs to is wholesale, and its business scope includes: General items: Research and development of new material technology; Technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion; Non-ferrous metal alloy manufacturing; Metal products sales; Import and export of goods; Import and export of technology; Earthwork construction; Landscaping construction; And operation of wires and cables. (Except for projects subject to approval according to law, business activities can be carried out independently according to law with a business license) Licensed projects: Operating Class III medical devices; Subcontracting construction services; Construction engineering; Electrical installation services. (Projects subject to approval according to law can only be carried out after approval by the relevant authorities. The specific business items are subject to the approval documents or licenses issued by the relevant authorities. ) Shandong Chaoruisi New Material Technology Co., Ltd. is currently operating (open for business) as a going concern.