2026 Top 10 Rectangular Duct Manufacturers in China

Zaoqiang Weikuo Fiberglass Co., Ltd

Zaoqiang Weikuo Fiberglass Co., Ltd., with its registered address at Mengtun Village North, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Zaoqiang County, Hengshui City. The legal representative is Liang Haizhao, and its business scope includes processing, manufacturing, installing, and selling fiberglass dust collectors, desulfurizers, acid mist purification towers, absorption towers, and fiberglass environmental protection equipment; Cooling tower, fan, storage tank, winding pipeline, fiberglass products for water tank, fiberglass anti-corrosion engineering. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Fiberglass Tower, Glass Fiber Reinforced Plastic Variable Diameter

Hangzhou Minxing HVAC Engineering Co., Ltd

Hangzhou Minxing HVAC Engineering Co., Ltd., with its registered address at 1-3-18 Meilinwan Hengyi Road, Xinwan Street, Qiantang District, Hangzhou City, Zhejiang Province, is registered with the Market Supervision and Administration Bureau of Qiantang District, Hangzhou City. The legal representative is Zou Limin, and the business scope includes licensed projects: various engineering construction activities (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). General project: Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of fans and blowers; Sales of new energy original equipment; Wholesale of hardware products; Sales of refrigeration and air conditioning equipment; Environmental consulting services; Sales of metal structures; Sales of metal chains and other metal products; Engineering management services; Sales of firefighting equipment; Manufacturing of metal products for safety and firefighting purposes; Wastewater treatment and its recycling; Manufacturing of specialized equipment for environmental protection; Sales of household appliances; Retail of daily household appliances; Sales of building materials; Engineering and technical research and experimental development (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law).. Core products: Rectangular Duct, Galvanized Spiral Air Duct, Common Plate Air Duct

Foshan Yongsui Stainless Steel Co., Ltd

Foshan Yongsui Stainless Steel Co., Ltd., with its registered address at No. 48, Building B3, Jinqian International Metal Trading Plaza, South Fuchen Road, Fuchen Road, Ganxian Village, Chencun Town, Shunde District, Foshan City, Guangdong Province (registered address declared), is registered with the Market Supervision Administration of Shunde District, Foshan City, and its legal representative is Li Hongzhun. Its business scope includes research and development, design, sales, and installation of stainless steel pipes, stainless steel fittings, stainless steel insulation pipes, metal pipes and fittings, valves, water purification equipment, hardware fittings, metal materials and products, and specialized equipment for pipeline installation; Development, operation, and maintenance of online platforms; Domestic commercial and material supply and marketing industry. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments.) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments.). Core products: Rectangular Duct, Double Press Fitting, Stainless Steel Sanitary Pipe

Tianjin Yougang Metal Products Co., Ltd

Tianjin Yougang Metal Products Co., Ltd., with its registered address at 2-2-1001, Qingda Boya, Shuangjiang Road, Shuangjie Town, Beichen District, Tianjin, is registered with the Market Supervision Administration of Beichen District, Tianjin. The legal representative is Wang Dongdong, and the business scope includes general items: sales of metal products; Sales of metal materials; Sales of building materials; Wholesale of hardware products; Retail of hardware products; Sales of mechanical equipment; Sales of instruments and meters; Electronic product sales; Import and export of goods; Research and development of metal products; Research and development of new material technology; Promotion services for new material technology; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Repair of metal products. (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, Stainless Steel, Galvanized Round Pipe

Dongguan Zhaoyi Environmental Protection Technology Co., Ltd

Dongguan Zhaoyi Environmental Protection Technology Co., Ltd., with its registered address at Room 101, Building 3, Xianyong Yanhe Road, Wanjiang Street, Dongguan City, Guangdong Province, China. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Ma Sanqing. Its business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Fan and fan manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of mechanical and electrical equipment; Manufacturing of hardware products; Motor manufacturing; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of refrigeration and air conditioning equipment; Manufacturing of pumps and vacuum equipment; Manufacturing of metal structures; Production of fireproof sealing materials; Rubber product manufacturing; Manufacturing of lightweight building materials; Manufacturing of metal materials; Manufacturing of electronic components; Manufacturing of gears, gear reducers, and gearboxes; Manufacturing of pneumatic power machinery and components; Manufacturing of specialized equipment for environmental protection; Sales of mechanical and electrical equipment; Retail of hardware products; Sales of metal structures; Sales of fireproof sealing materials; Sales of rubber products; Sales of building materials; Sales of metal materials; Retail of electronic components; Sales of firefighting equipment; Sales of pneumatic power machinery and components; Sales of insulation materials; Sales of mechanical equipment; Sales of specialized equipment for environmental protection; Installation services for ordinary mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); General equipment repair; Specialized equipment repair; Electrical equipment repair; Import and export of goods; Mechanical equipment research and development; Technology import and export. (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, Fire Smoke Exhaust And Fire Damper, Fire Smoke Exhaust Duct

Guilin Tiangui Hongcheng Ventilation Equipment Co., Ltd

Guilin Tiangui Hongcheng Ventilation Equipment Co., Ltd., with its registered address at the 1st floor of Wufu Sanliting, Sanjie Town, Lingchuan County (Address: 71), is registered with the Lingchuan County Market Supervision and Administration Bureau, and its legal representative is Xi Meiyu. Its business scope includes research and development, production, and sales of ventilation equipment, cable trays, hardware products and accessories, and transportation facilities. (Projects that require approval by law can only be operated after approval by relevant departments.). Core products: Rectangular Duct, Trapezoidal Outline Marker, Fan

Dezhou Zhuopu Air Conditioning Equipment Co., Ltd

Dezhou Zhuopu Air Conditioning Equipment Co., Ltd., with its registered address at Honghai Road, Luquan Tun Town, Wucheng County, Dezhou City, Shandong Province, is registered with the Market Supervision Administration of Wucheng County. The legal representative is Wu Zhenguo, and its business scope includes general projects such as refrigeration and air conditioning equipment manufacturing; Sales of refrigeration and air conditioning equipment; Fan and fan manufacturing; Sales of fans and blowers; Sales of distribution switch control equipment; Manufacturing of distribution switch control equipment; Installation services for ordinary mechanical equipment; Manufacturing of dust removal technology equipment; Import and export of goods. (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, Air Circulation Cooling And Heating Unit, Roof Fan