2026 Top 10 Rectangular Duct Manufacturers in China

Beijing Shengtuoda Ventilation Engineering Co., Ltd

Beijing Shengtuoda Ventilation Engineering Co., Ltd., with its registered address at Room 2213, 2nd Floor, Building 5, No. 11 Yingbin South Road, Huairou District, Beijing, is registered with the Huairou District Market Supervision Administration of Beijing. The legal representative is Shi Shuaifeng, and its business scope includes professional contracting, labor subcontracting, and construction general contracting; Leasing construction equipment and construction machinery; Building cleaning services; Professional cleaning services for mechanical equipment; Selling household appliances, fire-fighting equipment, metal products, mechanical equipment, communication equipment (excluding satellite ground receiving and transmitting equipment), and electrical equipment; Engineering survey and design. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for engineering survey, engineering design, and projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Rectangular Duct, Stainless Steel Air Duct, Double Layered Chimney Duct

Xiamen Green Control Environmental Protection Technology Co., Ltd

Xiamen Green Control Environmental Protection Technology Co., Ltd., with its registered address at No. 468-1, Shangtang Society, Shangtang Village, Guankou Town, Jimei District, Xiamen City, is registered with the Market Supervision Administration of Jimei District, Xiamen City. The legal representative is Zeng Kungeng, and the business scope includes general projects: manufacturing of environmental protection special equipment; Engineering and technical research and experimental development; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of specialized instruments and meters for environmental monitoring; Engineering management services; Production of refractory materials; Sales of new catalytic materials and additives; Research and development of resource recycling technology; Resource recycling service technology consulting; Environmental consulting services; Research and development of carbon fiber recycling technology; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for daily necessities production; General equipment manufacturing (excluding special equipment manufacturing); Research and development of online energy metering technology; Sales of pumps and vacuum equipment; Manufacturing of specialized instruments; Sales of pneumatic power machinery and components; Fan and fan manufacturing; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Sales of gas compression machinery; Sales of lightweight building materials; Retail of hardware products; Construction of landscaping and greening projects; Manufacturing of insulation and soundproofing materials; Installation services for ordinary mechanical equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: construction labor subcontracting; Certification services; Construction project construction; Construction project design; Electrical installation services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Rectangular Duct, Pvc Flame Retardant Pipe, Pp Flange

Jiaxing Qianbang Environmental Protection Equipment Co., Ltd

Jiaxing Qianbang Environmental Protection Equipment Co., Ltd., with its registered address located on the first floor of the second building south of Xinhe Road West, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province (Zhejiang Fengheng Electric Appliance Co., Ltd.), is registered with the Administrative Approval Bureau of Nanhu District, Jiaxing City. The legal representative is Xu Qinzhe, and the business scope includes general projects: sales of environmental protection special equipment; General equipment manufacturing (excluding special equipment manufacturing); Fan and fan manufacturing; Manufacturing of hardware products; Manufacturing of metal tools; Mechanical equipment research and development; Research and development of hardware products; Research and development of metal products; Sales of specialized instruments and meters for environmental monitoring; Sales of refrigeration and air conditioning equipment; Sales of metal structures; Sales of metal tools; Sales of metal materials; Sales of building materials; Sales of building decoration materials; Sales of firefighting equipment; Sales of security equipment; Sales of insulation materials; Retail of hardware products; Electronic product sales; Sales of plastic products; Sales of rubber products; Sales of labor protection equipment; Operation of wires and cables; Wholesale of kitchenware, sanitary ware, and daily necessities; Retail of daily household appliances; Sales of daily necessities; Sales of instruments and meters; Sales of mechanical equipment; Sales of mechanical and electrical equipment; Packaging services; Installation services for ordinary mechanical equipment; Home appliance installation services; Furniture installation and maintenance services; Repair of daily electrical appliances; Repair of metal products; Electrical equipment repair; General equipment repair; Specialized equipment repair; Instrument and meter repair; Residential water and electricity installation and maintenance services; Maintenance of electronic and mechanical equipment (excluding special equipment); Technology import and export; Import and export of goods (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Licensed project: Construction project construction; Residential interior decoration and renovation; Electrical installation services (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Rectangular Duct, Centrifugal Fan, Spiral Duct

Tianjin Nord Ventilation and Purification Equipment Co., Ltd

Tianjin Nord Ventilation and Purification Equipment Co., Ltd., registered at 1905, Building 1, Bihai Changju, Binhai New Area, Tianjin, registered with the Market Supervision and Administration Bureau of Binhai New Area, Tianjin, with Li Haidang as the legal representative. Its business scope includes the manufacturing and sales of purification equipment; Sales of ventilation equipment, environmental protection equipment, insulation pipes, steel, stainless steel products, building materials, decoration materials, metal products, mechanical equipment, hardware and electrical equipment; Installation and maintenance of ventilation equipment, electromechanical equipment, and air conditioning refrigeration equipment; Processing of metal products and wrought iron products; Indoor and outdoor decoration engineering; Construction and installation engineering; Construction of firefighting equipment engineering; Import and export of self operated and agency goods and technology; Labor services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Stainless Steel Air Duct, Galvanized Iron Sheet Air Duct

Langfang Longsheng Environmental Protection Equipment Co., Ltd

Langfang Longsheng Environmental Protection Equipment Co., Ltd., with its registered address at Ligezhuang Village North, Zhaogezhuang Town, Wen'an County, Langfang City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Wen'an County, Langfang City. The legal representative is Yang Shibin, and the business scope includes manufacturing and selling waste gas treatment equipment, acid mist purification equipment, dust removal equipment, desulfurization equipment, oil fume purification equipment, organic waste gas purification equipment, sewage treatment equipment, electroplating equipment, spraying equipment, spiral ducts and accessories; Design and install ventilation ducts; Manufacturing and selling hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Pp Activated Carbon Box, Catalytic Combustion Equipment

Dezhou Yiwei Ventilation Equipment Co., Ltd

Dezhou Yiwei Ventilation Equipment Co., Ltd., with its registered address at E7 Workshop, Qianmu Industrial Park, Luquan Tun Town, Wucheng County, Dezhou City, Shandong Province, is registered with the Market Supervision Administration of Wucheng County. The legal representative is Li Yunyi, and the business scope includes general projects such as fans and fan manufacturing; Sales of fans and blowers; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Engineering management services; Sales of specialized equipment for environmental protection; General equipment repair; Retail of electronic components; Sales of metal materials; Sales of firefighting equipment; Sales of electrical facilities and equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Rectangular Duct, Cabinet Centrifugal Fan, Stainless Steel Air Duct

Wuhan Jiuzhou Hantong HVAC Equipment Co., Ltd

Wuhan Jiuzhou Hantong HVAC Equipment Co., Ltd., with its registered address at No. 12-31, Wuhan International Stone City Store, Hejia Hubei Street, Daqiao New District, Jiangxia District, Wuhan City, Hubei Province, is registered with the Market Supervision Administration of Jiangxia District, Wuhan City. The legal representative is Guo Guolong, and its business scope includes general projects such as fan and fan manufacturing, building decoration, plumbing pipe parts and other metal products for construction, steel rolling processing, refrigeration and air conditioning equipment manufacturing, mechanical parts and component processing, household appliance manufacturing, general equipment manufacturing (excluding special equipment manufacturing), metal material manufacturing, non-ferrous metal rolling processing, fan and fan sales, valve and plug sales, refrigeration and air conditioning equipment sales, environmental protection special equipment sales, metal structure sales. Sales, sales of metal materials, sales of labor protection products, sales of electronic specialized equipment, Sales of mechanical and electrical equipment, sales of pipeline transportation equipment, sales of plastic products, and sales of rubber products. (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations) Licensed projects: residential interior decoration and construction engineering design. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Rectangular Duct, High Galvanized Spiral Air Duct, Customized Welding Air Duct