duct angle1,000+ factories verified

Xiamen Green Foam Insulation Material Co., Ltd (GFI) locate in Xiamen City, Fujian Province. We are the most professional manufacturer of rigid polyurethane (PU) / polyisocyanurate (PIR) / phenolic (PF) foam insulation materials, pre-insulated HVAC duct panels, accessories and tools in China. Our factory covers an area of 8000 square meters, and is approved by ISO 9001: 2015 quality management system. We have large-scale production lines which have a daily output capacity of 6000 square meters of foam insulation panels. We are equipped with independent R& D Center, which is approved by Fujian Provincial Government. The R& D team consists of experienced experts and engineers which ensure that our products can match the international standard such as ASTM, BS, etc.

Maanshan Ruiyi Machinery Co., Ltd, an international manufacturer dedicated to industrial air duct solution, is specialized in the square air duct, round duct making machines and many kinds of bending, cutting, rolling equipments. We have two plants, which are located in industrial park, maanshan city and tengzhou city in China.

Yunlu Composites: Weaving the Future with 3D Braiding Technology

HONGBANG (SHANDONG) COMPOSITES Co., Ltd., established in 1979 (formerly Xingtai Hongbang Composite Materials Co., Ltd. ), is a leading FRP manufacturer with 40 years of industry experience. We specialize in research and development and production of FRP pultruded profiles, FRP gratings, FRP pipes, and custom FRP components. As a one-stop FRP solution provider, we cover product design, customized production, on-site installation, and after-sales service, catering to construction, municipal engineering, chemical processing, and environmental protection industries.

Jiangxi Jin Bai Cheng Hardware Products Co., Ltd. is located Ganzhou city, Jiangxi Province, China. We are a professional manufacturer which specializes in research, development, production and sales of furniture hardware accessories. In order to get perfect wall-cabinet wheels for our customers, all of our employees work silently. "Quality creates trust" is our business philosophy.

Established in 2006, Dalian Zhong Hai Tian Plastic Products Co., Ltd. Stands as a leading manufacturer specializing in the seamless integration of industrial and trade activities. Boasting over 18 years of unparalleled expertise in extruded plastic profiles, we are dedicated to customizing and producing an extensive range of plastic profile products in various materials and specifications, including but not limited to PVC, UPVC, PC, PP, PE, ABS, and UHMWPE.

YINGDE VENTECH AIR CONDITIONING Co., Ltd. is a member of VENTECH group whose products covers air conditioning ternimals, Phenolic duct panels, automatic production solutions, and protective respirators.

Our company is a professional manufacturer who provides the precision stamping parts, deep drawing parts all of these to use air condition, door and window accessories, auto bike clutch accessories, drain well hardware accessories, and other stamping products.

Suzhou Kiande Electric Co., Ltd. is a scientific company integrated R&D, production, sales and service. Company is located in Suzhou which mainly serves for electric field to provide intelligent production machine and systematic solution in working efficiency, quality, cost and data calculation.

Who we are:

Trusus Co., Limited is an 'AUDITED SUPPLIER' presented by SGS, which is approved by ISO9001 certification and CE mark, and it is a large enterprise with 6 factories in China, and integrates research & Development, production and sales. It covers an area of approximate 140, 000sqm. Has a great number of professional and advanced production technology and equipment.

Ningbo Skythermo Instrument Co., Ltd. is located in Ningbo, Zhejiang province, near by Ningbo and Shanghai port, More than 30 years' experience specialized in producing thermometer series including capillary type, bimetal type, V-shaped glass type, digital type, household type, thermomanometer series; Manometer series and hydrometer series etc. All could be widely used in HVACR, Vessel, Petroleum Chemical, Electronic and Household fields.

Hejian Huansheng Fasteners Co., Ltd. is a professional and leading manufacturer specializing in various high-quality hose clamps and pipe clamps, with a strong focus on providing reliable fastening solutions for global industrial needs. Founded with a commitment to excellence, our company boasts a modern factory covering an area of 13, 000 square meters and a dedicated team of 100 employees, including experienced technical professionals and skilled workers.

Weixin Steel (Guangdong) Co., Ltd. is a comprehensive steel enterprise located in the Steel World Headquarters Building, Lecong Town, Foshan City, Guangdong Province. The company benefits from a strategic location adjacent to Guangzhou Nansha Port, offering excellent logistics and transportation advantages for both domestic and international markets. With its own affiliated logistics and warehousing support, operations are stable and efficient.

Maiyoute: An Innovative Leader in Parking Heaters

Guangdong Yijin Steel Technology Industry Co., Ltd. is located in the central area of Leliu, a major industrial town in Shunde, Guangdong. With two decades of rapid development since 2000, the company has built its own production base and evolved from a small steel trading workshop into a modern enterprise integrating steel trading and processing.

WUHU AIHUA INDUSTRIAL MANUFACTURING Co., Ltd.

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

New Alpha Building Materials (Shandong) Co. Ltd is a large Light Gauge Steel Profiles, Ceiling T-bar Grids and accessories manufacturer and exporter from Linyi City, Shandong Province, China.

Qingdao Jingdao Credit Construction Steel Structure Co., Ltd.(abbreviated as JDCC) is a professional enterprise specialized in designing, manufacturing, marketing and construction high quality steel structure, prefabricated house and container house.We have professional steel structure engineering contracting first class qualification, with more than 22-year-limited warranty in steel building manufacturing and design.

Hangzhou Prostar Enterprises Ltd. Is the most professional company of Construction Electricity Wiring System in Hangzhou, China, which establishes a pretty stable business relationship with different customers all over the world.

Hebei Sinta Trading Co., Ltd is one of the leading manufacturers in China. We have over 15 years professional technology and production experience, and a group of highly skilled R & D teams.

Founded in 2002, Linyi Rongxiang Steel Pipe Co., Ltd. is a professional steel pipe manufacturer located in Hedong Industrial Park, Linyi, China. With over 20 years of manufacturing experience, we specialize in R&D, production and deep processing of welded pipes, cold-rolled strip steel and hot-DIP galvanized steel pipes. As a Provincial Innovative SME and Green Factory with 26 technical patents, we own a complete industrial chain covering raw material processing, precision pipe welding, environmental galvanizing, customized deep processing and integrated logistics services. Our factory covers 200, 000 square meters with advanced intelligent production lines and professional testing laboratories, supporting an annual output of 50, 000 tons. We produce round pipes (15mm-219mm outer diameter) and full-spec square and rectangular tubes, with wall thickness tolerance strictly controlled within ±0.2mm for standard products and ±0.1mm for high-precision customized pipes. Our in-house galvanizing workshop provides adjustable anti-corrosion solutions, with standard zinc coating of 40μm to 85μm and thickened coating over 100μm for coastal, chemical and high-corrosion environments. Adopting eco-friendly passivation technology, our products meet domestic and international environmental standards for smooth export customs clearance. We offer one-stop deep processing including fixed-length cutting from 3m to 12m, bending, punching, polishing and anti-rust treatment, allowing direct installation without secondary processing. We maintain sufficient spot inventory for greenhouse, structural, guardrail, power support and storage rack pipes, with fast delivery: 3-5 days for stock orders, 7-15 days for customized orders and 15-25 days for bulk orders. Our product lineup covers Q235B/Q355B black welded pipes, cold galvanized pipes and high-performance hot-DIP galvanized pipes. Our galvanized pipes feature strong zinc adhesion and over 10 years of outdoor anti-corrosion lifespan, widely used in greenhouses, municipal facilities and industrial projects. We support SGS third-party inspection and provide complete qualification documents, complying with GB/T3091, ASTM and EN standards for global bidding and customs clearance. With strict three-level quality control and independent R&D capabilities, we ensure stable product quality and standardized green production. We support flexible cooperation with low 1-ton MOQ, free samples, tiered pricing, T/T and L/C payment terms, as well as EXW and FOB quotations. Adhering to "Quality First, Customer Supreme, Credit-Based", we provide efficient after-sales service and sincerely cooperate with global clients for win-win development.

Ma'anshan Hecheng Source Machinery Manufacturing Co., Ltd. is located in Bowang District Jincheng, Bowang, Ma'anshan. It is only 20 kilometers away from Nanjing Lukou Airport and connects Jiangsu, Zhejiang, and Shanghai with convenient transportation. The company mainly produces ventilation machinery, sheet metal machinery, and other equipment. It is a comprehensive enterprise integrating enterprise management, market sales, and production; Its sales and service outlets are widely distributed around the world. The company has a group of excellent enterprise management personnel and a skilled and innovative product design team. All synthetic source products adopt computer-aided design. In terms of automation control and software development, we have successfully developed mechanical automation control software and sheet metal processing production lines with units such as Tsinghua University and the Ministry of Aerospace Industry. Our company's quality policy is: Pioneering innovation, quality assurance, and brand building Providing customers with a continuous supply of high-quality products is precisely the concept of Synthetic Source people under the integration of new markets, and Synthetic Source is opening a new page. The wind pipe production machinery of Synthetic Source Company can be divided into three series: Round pipe series, fan shell series, and square pipe series. Each series includes fully automatic Air Duct Line, CNC angle steel flange production lines, TDF Flange Machines, Corner Code Molds, plasma cutting machines, Locking Machine, Folding machine, five line beading machines, angle iron coiling machines, roller shear compression machines, leveling machines, spiral air duct machines, hydraulic riveting machines, Round Elbow machines, pneumatic joint machines, corner code installation machines, and Bias Samsung rooling machines.

Foshan Shunde EAP Electric Appliance Co., Ltd.  was first established in Japan in 2005, with its product R&D center based in Tokyo, Japan. In 2007, we introduced Japanese technology and management expertise to set up a production base in Shunde, China. As a professional enterprise, we specialize in products within the fresh air ventilation and refrigeration sectors.

Established in 2003, Fanova (Suzhou) Motor Technology Co., Ltd is a leading innovator in the motor and fan industry. Our state-of-the-art facility is located at No. 7, Pingkang Road, Science and Technology Park, Yuanhe Street, Xiangcheng District, Suzhou, encompassing a vast 6000 square meters, with a dedicated plant area of 4500 square meters.

Engineering and technology research and experimental development; Research and development of environmental protection technology, HVAC equipment, indoor environment and healthy air system equipment and engineering technology; Production of environmental protection equipment, stainless steel kitchen equipment and its products; Manufacturing of fans, fans, refrigeration, air conditioning equipment, urban rail transit equipment, cable bridge, mining machinery, noise and vibration control equipment, energy saving and environmental protection equipment; Distribution switch control equipment manufacturing, sales, research and development; Sales of mechanical and electrical equipment, general mechanical equipment, refrigeration equipment, range hoods, electronic products, kitchen equipment and kitchen supplies, environmental protection equipment, HVAC equipment, ventilation equipment; Sales and manufacturing of fire fighting equipment and equipment; Mechanical and electrical production and processing; General cargo transportation (except freight rental and moving transportation); Dust removal equipment sales, production, installation; Basic software development; Cleaning and maintenance of kitchen equipment; Building air conditioning equipment, ventilation equipment system installation services; Mechanical and electrical equipment processing; Import and export of all kinds of commodities and technologies on its own or as agents, except those commodities and technologies whose import and export are restricted or prohibited by the State; Software technical services; Development and construction of e-commerce platform. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)

HANGAO is a set research and development, manufacture, sales and supporting services in the integration of welded pipe equipment one-stop service manufacturer.

Anhui Kaitian Heavy Industry Machinery Manufacturing Co., Ltd.

GUANGZHOU OCTOVENT COOLING EQUIPMENT Co., Ltd