2026 Top 10 Rectangular Duct Manufacturers in China

Shanxi Hongrui Ventilation Equipment Co., Ltd

Shanxi Hongrui Ventilation Equipment Co., Ltd., registered at Room 915, 9th floor, Yuxiang Building, Dachang Road, Tanghuai Industrial Park, Shanxi Transformation Comprehensive Reform Demonstration Zone, registered with the Market Supervision and Administration Bureau of Shanxi Transformation Comprehensive Reform Demonstration Zone, with Zhao Jianxiong as the legal representative. Its business scope includes the sales, installation, maintenance, and technical consultation of ventilation equipment, refrigeration equipment and accessories, security equipment, electromechanical equipment, air purification equipment, plumbing equipment, and air conditioning equipment; Design and installation of security and prevention technology system; Sales and installation of stainless steel products, kitchen equipment, environmental protection equipment, HVAC equipment, air energy equipment, water treatment equipment, fire-fighting equipment, insulation materials, doors and windows, range hood pipelines, and water heaters; Processing, sales, and installation of ventilation duct equipment; Processing, sales, and installation of stainless steel pipes; Sales of building materials, hardware and electrical equipment, daily necessities, office supplies, fire-fighting equipment, bedding, needle textiles, plumbing equipment, stone, clothing, shoes and hats, electronic products, engineering machinery, and industrial and mining electromechanical equipment; Construction labor subcontracting; Road freight transportation; Construction engineering (fire protection engineering; environmental protection engineering). (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 Gutter

Baoding Tangge Environmental Protection Equipment Technology Co., Ltd

Baoding Tanggesi Environmental Protection Equipment Technology Co., Ltd., with its registered address in Donglu Village, Donglu Township, Qingyuan District, Baoding City, Hebei Province, is registered with the Qingyuan District Market Supervision and Administration Bureau, and its legal representative is Jiekang. Its business scope includes research and development, manufacturing, sales, and installation of environmental protection equipment; Mechanical equipment leasing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Punching And Shearing Machine, Spray Tower

Hebei Jingchuang Fiberglass Co., Ltd

Hebei Jingchuang Fiberglass Co., Ltd. is registered in Dayulinzhao Village, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Yang Jinli. The business scope includes production, processing, manufacturing, sales, installation, fiberglass products, transportation facilities, anti glare nets, contour signs, composite columns, and sound barriers. Extruded products, molded products, wrapped products, metal products, plastic products, environmental protection equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Frp Pipe Fittings, Acid Mist Purification Tower

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, Pp Silencer, Pp Spray Tower

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, Flange Stainless Steel Air 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

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, Dust Removal Equipment, Stainless Steel Air Duct