HomeSupplier Discoveryarrow-rightIndustrial Equipment & Componentsarrow-rightDiesel Generatorarrow-rightWorkshop Cooling Factories & Companies
Filter
Category
More
Management Certification
More
R&D Capacity
Annual Revenue
More
No.of Employees
More
Province & Region
More
about workshop cooling
  • Technological Innovation
  • Reliable Supply Chains
  • Substantial Manufacturing Capabilities

workshop cooling6,000+ factories verified

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.

Qingdao Xinguangzheng Fancan Construction Engineering Co., Ltd.

5.0
Main Products:
Steel Structure Warehouse, Steel Structure Workshop, Poultry Shed/House, Steel Structure Hangar, Steel Structure Chicken Coop, Prefabricated Steel Structure House, Steel Structure, Steel Structure Building, Modern Industrial Steel Structure, Steel Structure Bridge
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Qingdao Xinguangzheng Fancan Construction Co., Ltd. is a subsidiary of Qingdao Xinguangzheng Steel Structure Co., Ltd., a leading steel structure company in China. The company has obtained multiple certifications such as AISC, CE, and Russian standards. With a total staff of over 1, 200 people, the company is dedicated to the design, production, and installation of steel structure workshops, multi-story buildings, bridges, industrial parks, automatic chicken house etc. Currently, the company exports to more than 120 countries and established long-term cooperative relationships with many customers and regions

Foshan Lixin Steel Material Co., Ltd.

16 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Prefab House, Container House, Steel Structure, Villa, Sandwich Panel
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
FOSHAN LIXIN STEEL MATERIAL CO, Ltd is located in Buxin industrial area, Lishui town, Nanhai District, Foshan City, where a convenient and beautiful environment is provided. Our factory takes up about 10, 000 m2 with a skillful and experienced working team. Since we created our brand "Lixin" in 1997, we have successively invested in many advanced production lines for profiled steel sheet, composite board, combined floor deck, profiled steel( C/Z/H section), light steel structure, net truss structure and so on. To meat the requirements at home and abroad, we have primarily designed and manufactured a series of new produts such as container house, prefab house, light steel structure villa, foucusing on their procession, installation and investation. With our products warmly welcomed both in domestic and overseas markets, we are now one of the most influential steel products suppliers in Guangdong Province.

Huaxian China Ltd.

9 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Vegetable Vacuum Cooler, Cold Storage Room, Blast Freezer, Ice Machine, Freeze Dryer, Flake Ice Machine, Tube Ice Machine, Block Ice Machine, Food Vacuum Cooler, Water Chiller, Cube Ice Machine
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
HUAXIAN company is DEDICATED TO BE AN ADVANCED SUPPLIER OF FRESH CARE SOLUTIONS in global range to serve agriculture, fishery and food industry with advanced fresh reservation technology, so as to create biggest commercial value for customers by improving fresh quality. Mainly involve in research, design, manufacture, market and sale of fast pre-cooling/cooling equipment, cold room & blast freezer, dryer equipment and ice machine. Starting from year 2008 on technology and experience accumulation, HUAXIAN strives to create unique values for csutomers and distributors, also keeping long term copperation business relationship. Our belief is 'Only professionlism creates unique values, only cooperation extends long term developments'.

Zhejiang Huajin Welding Machine Equipment Co., Ltd.

14 yrs
·Manufacturer/Factory & Trading Company
Main Products:
PE Welding Machine
Country/Region:
Zhejiang, China
R&D Capacity:
ODM Service
Company Profile:
Zhejiang Huajin Welding Machine Equipment Co., Ltd. is developed from Zhuji Huida Pipeline Technology Co., Ltd. It is one of the earliest professional enterprises engaged in the research, development and production of HDPE pipe welding equipment in China. The company covers an area of 20000 square meters and owns various production plants of 30, 000 square meters. It is one of the largest HDPE pipe welding equipment manufacturers in China.

Quanzhou Zhiyun Refrigeration Equipment Co., Ltd.

5.0
Main Products:
Cold Storage Room, Cold Room PUR Panel, Cold Room PIR Panel, Cold Room Door, Condensing Unit, Evaporator, Compressor, Refrigeration Equipment, Refrigeration Parts, Refrigeration Tools
Country/Region:
Fujian, China
R&D Capacity:
OEM/ODM Service
Company Profile:
ZHIYUN Refrigeration Equipment Co., Ltd is a comprehensive enterprise including trade, engineering, and manufacture. The company was found in 1982 in FuJian Province, and there are two branches in the XiaMen and QuanZhou and three factories in QuanZhou.

Shandong Zeren Mechanical Equipment Co., Ltd

5 yrs
Main Products:
Beer Equipment, Fermentation Tank, Industrial Ice Machine
Country/Region:
Shandong, China
R&D Capacity:
ODM Service
Sample Service:
Sample Available
Company Profile:
Shandong Zeren Mechanical Equipment Co., Ltd. - known as ZR BREW - is an equipment manufacturer specializing in the biological fermentation industry. We focus on beer brewing equipment and deliver comprehensive high-end services that span product design, production, processing, installation and technical process training.

Chengli Special Automobile Co., Ltd.

23 yrs
·Manufacturer/Factory & Trading Company
Main Products:
truck with crane, fuel tank, water tank truck, dump truck, refrigerator truck, LED truck body, food trailer
Country/Region:
Hubei, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Chengli Special Automobile Co., Ltd is a company with a tradition of over 10 years in the engineering industry and has aggregated a wide experience in this field. The main strategic program is focused on the production of trailers, tankers, dump trucks and other special vehicles. The company currently employs 1100 people and enjoys strong growth. Its turnover in 2007 is USD66.5 million and in 2013 it reached USD213.7 million. Chengli now ranks top 3 in special vehicle in China. The company' S total area is 1230 acres and in 2013 its annual production ability will expand to 20, 000 units.

Shandong Yuehe Machinery Co., Ltd.

3 yrs
·Manufacturer/Factory
Main Products:
Edge Banding Machine, Automatic Edge Banding Machine, Manual Edge Bander, Semi-automatic Edge Bander, Woodworking Edge Banding Machine
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Shandong Yuehe Machinery Technology Co., Ltd. (referred to as "Yuehe") is a modern intelligent manufacturing enterprise specializing in the R&D, production, sales and service of high-end woodworking machinery.

Suzhou Pharma Machinery Co., Ltd.

10 yrs·5.0
·Trading Company
Main Products:
GMP Clean Room Project, GMP Clean equipments Other Pharmaceutical Machine, Machine Customized Tools and Parts, Clean Room and Lab Furniture, Pharmaceutical Machine Related Consumables
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Suzhou Pharma is one of the leading turnkey project providers for pharmaceutical, food, herbal, cosmetic, electronics factory and chemical plants.

Qingdao Xinguangzheng Huayang Construction Engineering Co., Ltd.

11 yrs·4.3
·Manufacturer/Factory & Trading Company
Main Products:
Metal Frame & Sheet Metal For Shed
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Since 1996, Qingdao Xinguangzheng Group Has been specialized in designing and manufacturing steel structure workshop, steel structure warehouse, steel structure aircraft hangar, steel structure building, steel structure poultry house and prefab houses. We also passed approval of CE, BV, SGS and ISO9001 Certification. We can send our engineer to the project site overseas. Besides, We also have our own abroad guiding installation team consisting of more than 30 people. Our steel structure buildings products have been exported to Ethiopia, Tanzania, Nigeria, South Africa, Algeria, Dubai, Saudi Arabia, Thailand, Australia, France, Germany etc. Around the world.

Nanjing Qizhi Engineering & Equipment Co., Ltd.

4 yrs
·Trading Company
Main Products:
Automatic cutting/ welding/ bending machines for boiler production, Automatic pipe fabrication production line, Wind tower production line, LNG tank production line
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Nanjing Qizhi Engineering &Equipment Co., Ltd. Devotes to bringing the most suitable and valuable solutions /equipments with high-quality &efficiency for clients, EPC contractors, fabricators, construction companies for the wind towers, pressure vessels, heat exchangers, boilers, pipe spool, steel structure, ship building, automobiles, civil industries and other equipment/metal manufacturing industries around the world.

Pintong International Trade (Qingdao) Co, Ltd.

5 yrs
·Trading Company
Main Products:
Food, Frozen Chicken, Frozen Duck, Frozen Vegetables, Frozen Fruits, Frozen Pastries
Country/Region:
Shandong, China
R&D Capacity:
ODM Service
Company Profile:
Pintong International Trade (Qingdao) Co., Ltd. is a company specializing in the import and export of frozen food in China, the company is located in the beautiful coastal city of China. Qingdao. In the past ten years, the wisdom and hard-working hands of the Chinese people have driven the rapid development of the agricultural and animal husbandry industry, and the production efficiency has been continuously improved under the premise of constantly pursuing food safety. At present, China slaughters about 10 billion broilers and 3 billion broilers every year, and produces more than 5 million tons of cooked food conditioning products every year. Frozen products such as chicken, duck, cooked food preparations, vegetables, pastries and other frozen products can provide more than 5 million tons of export to foreign markets every year, and the products are exported to the European Union, Southeast Asia, Australia, the Middle East, Africa, the Eurasian Union, Japan and South Korea and other regions.

Zhucheng Huafang Environmental Protection Equipment Co., Ltd.

8 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Feather Powder Equipment, Harmless Treatment Equipment For Livestock And Poultry, Oil Refining Equipment For Livestock And Poultry, Sludge Drying Equipment
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
     Zhucheng huafang environmental protection equipment Co., Ltd. is a modern machinery manufacturing enterprise integrating research and development, design, production and sales. Located in shandong province zhucheng economic development zone, the east coastal city of Qingdao, south which the emerging port city, the location is superior, the company covers an area of 40000 square meters, mainly engaged in animal harmless treatment equipment, livestock and poultry disposal equipment, feather powder equipment, eat hutch garbage disposal equipment, slaughter waste treatment facilities, waste processing equipment such as environmental protection equipment.

Henan Keming Machinery Equipment Co., Ltd.

7 yrs
·Manufacturer/Factory & Trading Company
Main Products:
Screw Conveyor, Bucket Elevator, Vibrating Screen, Linear Vibrating Screen, Circular Vibrating Screen
Country/Region:
Henan, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Henan Keming Machinery Equipment Co., Ltd. ranks among the professional manufacturers dedicated to the R&D and production of vibrating screening equipment. The enterprise was formerly established under the name Xinxiang Keming Vibrating Machinery Factory and is situated in Xinxiang, Henan Province, reputed as China's renowned base for vibration machinery manufacturing.

Supsteed Precison Tools Co., Ltd.

Manufacturer/Factory & Trading Company
Main Products:
End Mill, Drill, Reamer, Tap, Thread End Mill, Saw Blade, Grooving Tool, Boring Tool, Touter Bit, Customized Tool
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Supsteed Precision Tools Co., Ltd, established in January 2008, has emerged as a prominent manufacturer in the cutting tool industry, specializing in high-quality carbide end mills, carbide drills, and PCD/PCBN cutting tools. With an initial investment exceeding 30 million yuan, our facility spans 3, 300 square meters, housing advanced production equipment and a skilled workforce dedicated to excellence. Our operation features ten state-of-the-art grinders and over twenty supplementary machines, all manned by a talented team of more than thirty workers. This robust infrastructure enables us to deliver precision-engineered tools tailored to meet the diverse needs of our clients.

Jiangsu Aolong Electric Technology Co., Ltd.

5.0
Main Products:
Welding Machine, Plasma Cutting Machine, MIG/Mag Gas Shielded Welder, TIG Argon Arc Welder, MMA Manual Metal-Arc Welder, Stud Welding Machine, Saw Submerged Arc Welder, Welding Robot, Portable Welder, Industrial Welder
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Jiangsu AoLong Electric Technology Co., Ltd is a national high-tech enterprise integrating independent research and development, production and sales of welding machine. The company has a first-class full set of advanced production lines and testing equipment, a group of technicians who have been engaged in welding machine research and development for many years, high-quality management personnel and experienced front-line employees.

Liaocheng Lambd Laser Technology Co., Ltd

5.0
Main Products:
CO2 Laser Marking Machine, Fiber Laser Marking Machine, UV Laser Marking Machine, Flying Laser Marking Machine, CO2 Laser Engraving Machine, Laser Welding Machine, Laser Cleaning Machine, 3D Laser Marking Machine, Fiber Laser Cutting Machine, CO2 Laser Cutting Machine
Country/Region:
Shandong, China
Company Profile:
Liaocheng Rhino Laser Technology Co., Ltd., is professional in precision machining for nearlly 15 years. We are located in Liaocheng, Shandong with convenient transportation access. We dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Selling well in all cities and provinces around China, our products are also exported to clients in such.

Jiangsu Hengyun Power Technology Co., Ltd.

Main Products:
Diesel Generator Set, Silent Generator Set, Marine Generator Set, Main Engine, Trailer Genset
Country/Region:
Jiangsu, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Our company has an annual production capacity of more than 30, 000 units and supplies many brands, such as Cummins, Perkins, Volvo, Deutz, SDEC, Weichai, Yuchai, Doshan daewoo, MTU, Styler, etc. There are various types of generator sets, such as, container generator set, trailer generator set, portable trailer generator set, soundproof generator set, low noise generator set, marine generator set, marine main propulsion, gearbox etc. In addition, we also provide the design and construction of noise reduction projects to meet customer requirements. The company has advanced generator set manufacturing plant, high level working team, the Marine diesel generator set produced by the company, has passed the CCS, BV, ABS, GL, DNV, ZY (Chinese fishing boat) classification society certification, the products sell well at domestic and abroad, at the same time, we have CE, ISO, CQC certificates, have independent import and export rights. The company has been adhering to the "professional strength is power, good service is first-class" business philosophy, "adhere to the customer 100 percent satisfaction" service purpose, welcome business people from all walks of life, come to the company to discuss business. We own high quality products, thoughtful service, and new and old customers hand in hand to create brilliance!

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!

Guangdong Sgaier Truss Co., Ltd

3 yrs
·Manufacturer/Factory
Main Products:
Stage Truss Show Equipment
Country/Region:
Guangdong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Guangdong Hengxin Metal Structure Co., Ltd. is a subsidiary of the Sgaier Co., Limited, specializing in the design, development, production, sales, and service of aluminum alloy stage trusses. Adhering to the principle of "export-oriented and product leadership, " we have developed a wide range of products to meet diverse market demands. Our product portfolio includes trusses, stages, bleachers, barriers, layer trusses, steel structures, tents, scaffolding, cable ramps, flight cases, cranks stands, and truss furniture. Renowned for their innovative designs, aesthetic appeal, and structural stability, our products hold 8 utility model patents and are certified by SGS, CE, TUV, and EN standards. Our products have consistently received high praise from wedding companies, advertising agencies, and event rental companies.

Shandong Anxia Hvac Equipment Co., Ltd

4.0
Main Products:
Vrf System, Fan Coil Unit, Central Air Conditioner, Chiller, Air Conditioning System, Air Conditioner, Vrf, Air Grille, Y-Branch, Vrv
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Company Profile:
Shandong Anxia HVAC Equipment Co., Ltd. Stands as a leading provider of comprehensive HVAC solutions, headquartered in Shandong Province, China. We distinguish ourselves through the end-to-end supply, installation, and maintenance of advanced climate control systems, including high-efficiency refrigeration and solar thermal technologies. Our commitment extends beyond mere product distribution; We are dedicated partners in creating sustainable, healthy, and comfortable indoor environments for clients across residential, commercial, and industrial sectors. By forging strategic partnerships with global giants like LG, Daikin, TCL, Chigo, EK, Hisense, and TICA, we deliver top-tier products tailored to the unique demands of diverse projects. Driven by a mission of excellence, we leverage cutting-edge technology to not only meet but exceed expectations, ensuring optimal performance and energy efficiency for every system we deploy. At the core of our service offering is a highly experienced and dedicated engineering team. We understand that every project has unique requirements dictated by architectural design, local climate conditions, and specific usage scenarios. Therefore, our design service is not a one-size-fits-all approach but a meticulous, customized process. Our engineers work closely with clients from the initial consultation, analyzing provided blueprints and conducting on-site assessments to understand the environmental context. Whether it's a sprawling commercial complex requiring precise zonal temperature control, an industrial facility needing robust ventilation, or a residential property demanding quiet and efficient comfort, our team performs detailed load calculations and system modeling. We specialize in the selection and design of complex central air conditioning systems, ensuring the proposed solution is perfectly matched to the building's needs. This tailored design phase is crucial, as it guarantees system compatibility, maximizes energy savings, and ensures long-term operational stability, ultimately delivering a climate control solution that is both effective and economical. Our strategic alliances with world-renowned manufacturers like TICA, Daikin, and LG form the backbone of our procurement service. These partnerships grant us direct access to the latest innovations and a vast portfolio of high-quality equipment, from advanced variable refrigerant flow (VRF) systems and chillers to specialized heat pumps and solar thermal solutions. We act as a single point of contact for all HVAC equipment needs, simplifying the procurement process for our clients. Our team manages the entire supply chain, from product selection and order placement to logistics and timely delivery. This streamlined approach not only saves our clients valuable time and resources but also ensures they receive genuine, top-tier products backed by full manufacturer warranties. Our deep understanding of the technical specifications and application ranges of our partners' products allows us to recommend the most suitable and cost-effective options, ensuring every investment delivers maximum value. Our commitment to excellence extends far beyond installation. We believe that superior after-sales service is the key to ensuring the longevity and efficiency of any HVAC system.  This includes professional commissioning and system (commissioning) to ensure everything operates according to the design specifications. We offer comprehensive user training, empowering facility managers and homeowners with the knowledge to operate their systems efficiently. Our service agreement includes scheduled preventive maintenance, which involves regular inspections, filter cleaning, and performance checks to identify and address potential issues before they escalate into costly repairs.  

Dongguan Socay Industrial Co., Ltd

5.0
Main Products:
3/4/5 Axis Vrtical Machining Center, CNC Machining and Process, 3/4/5 Axis Miiling Machine, CNC Machining Service/Machining Parts and Mold, 3/4/5 Axis Compact Machining Center, Mould/Plastic Injection Molding/MIM, CNC Machining Tools, Mental Machining Service, Used/Second Hand Machine Center, Socay Machining/CNC Machine Center
Country/Region:
Guangdong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
Dongguan Socay Industrial Co., Ltd. Was established in 2014.

Qingdao Shengmei Machinery Co., Ltd.

Main Products:
V-Process Molding Line, No-Bake Sand Reclamation and Molding Line, Lost Foam Casting Line, Green Sand Casting Equipment, Green Sand Flaskless Molding Machine, Shot Blasting Machine, High Pressure Molding Line, Vacuum Process Casting Equipment, Lfc Molding Equipment
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Company Profile:
Qingdao shengmei Machinery Co., Ltd. is the director unit of Equipment Committee of China Foundry Association, the director unit of lost foam and V-Process casting branch, the member unit of National Foundry Machinery Standardization Committee, the member unit of China Machine Tool Association, and the president unit of Foundry Machinery Manufacturing Association of Qingdao West Coast new area. Through 15 years of development, the company has become a well-known brand with the strongest professionalism, the most dedicated products and the best reputation, which has been recognized by industry colleagues and many users. We specialize in the production of V-process, lost foam molding, resin sand and modified sodium silicate sand recycling complete sets, product positioning in the high-end market, has more than 400 domestic and foreign high-quality users. Among them, the market share of V-process equipment is increasing year by year, with 17 professional and technical R & D personnel. It is the team with the most professional and technical personnel in the industry, and has accumulated rich experience in R & D, production, installation, commissioning and service. The company is actively participating in the formulation of industry standards and group standards. The company can provide customers with overall planning and solutions from raw materials entering the factory to qualified castings leaving the factory. The company's technical personnel and equipment service team can provide support and guarantee for the development of foundry enterprises with their own professional knowledge  

Shandong Lanjing Imp. & Exp. Co., Ltd.

Main Products:
Steel Structure Workshop, Steel Structure Warehouse, Steel Structure Poultry Farming, Commercial Building
Country/Region:
Shandong, China
R&D Capacity:
OEM/ODM Service
Sample Service:
Sample Available
Company Profile:
About Shandong Lanjing Group Established in 2010 in Weifang, Shandong-the "World Kite Capital"-Shandong Lanjing Group has evolved into a leading comprehensive high-tech enterprise. We specialize in the design and fabrication of steel structures, R&D of prefabricated modular buildings, and international import/export trade.

Qingdao KXD Steel Structure Co., Ltd.

Trading Company
Main Products:
Steel Structure, Prefabricated Building, Steel Structure Warehouse, Steel Structure Workshop, Prefabricated House, Container House, Sandwich Panel, Corrugated Steel Sheet, Steel Building, Chicken House
Country/Region:
Shandong, China
R&D Capacity:
OEM Service
Sample Service:
Sample Available
Company Profile:
Qingdao KXD Steel Structure Co., Ltd, is a professional enterprise specializing in designing, developing, manufacturing, marketing and constructing high quality steel structures, prefabricated houses and container houses. We have professional steel structure engineering contracting first class qualification and ISO9001: 2000 quality system certification.

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.