2026 Top 10 Rectangular Duct Manufacturers in China

Zhanjiang Shengda New Environmental Protection Materials Co., Ltd

Zhanjiang Shengda New Environmental Protection Materials Co., Ltd., registered at Building 2, No.1 Chuangxin North Road, Jiuzhoujiang Development Zone, Jishui Town, Lianjiang City, with the registration authority of Lianjiang Market Supervision Administration and the legal representative being Dai Jiao. Its business scope includes general projects such as synthetic material manufacturing (excluding hazardous chemicals); Sales of synthetic materials; Manufacturing of plastic products; Sales of plastic products; Sales of high-performance fibers and composite materials; Sales of new membrane materials; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of ecological environment materials; Manufacturing of building waterproofing membrane products; Sales of fiberglass and related products; Sales of building materials; Sales of building decoration materials; Sales of building waterproofing membrane products; Sales of specialized equipment for environmental protection; Wholesale of hardware products; Sales of mechanical equipment; Sales of insulation materials; Promotion services for new material technology; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of refractory materials; Sales of rubber products; Construction of earthwork engineering. (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, Slope Protection Blanket, Eco-Friendly Materials

Hebei Hechang Environmental Protection Equipment Co., Ltd

Hebei Hechang Environmental Protection Equipment Co., Ltd. is registered at Fuqiang North Road, 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 Wu Renzhong. Its business scope includes processing, manufacturing, installation, and sales of evaporative air cooling towers, energy-saving closed cooling towers, water treatment equipment, environmental protection equipment, dust removal equipment, conveying machinery and accessories, ventilation equipment, air purification equipment, chemical water treatment equipment, sewage treatment equipment, power equipment, mechanical equipment, fiberglass products, fiberglass transportation facilities, molded products, rubber products, plastic products, metal products, aluminum alloy products, soundproof products, extruded profiles, central air conditioning, pipeline products, fiberglass wrapped pipelines, containers, Cooling tower and packing, filter, mechanical and electrical installation, After sales and maintenance of epoxy flooring, anti-corrosion and insulation engineering and above products, export business of self-produced products and technologies of the enterprise, and import business of mechanical equipment, spare parts, raw materials and technologies required by the enterprise, except for goods and technologies restricted or prohibited from import and export by the state. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Rectangular Duct, Fiberglass Cover Plate, Fiberglass Duct

Dezhou Jute Rubber Products Co., Ltd

Dezhou Jute Rubber Products Co., Ltd., with its registered address at No. 26, Building 4, Huayao City, Tianqu Industrial Park, Tianqu Street Office, Decheng District, Dezhou City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Decheng District, Dezhou City. The legal representative is Feng Baozhi, and its business scope includes general projects such as rubber product manufacturing; Sales of rubber products; Sales of new ceramic materials; Sales of synthetic materials; Sales of special ceramic products; Sales of plastic 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, Pe Perforated Board, Pp Ventilation Duct

Wenzhou Huadun Steel Industry Co., Ltd

Wenzhou Huadun Steel Industry Co., Ltd. is located at 988 Tianzhong Road, Yongzhong Street, Longwan District, Wenzhou City, Zhejiang Province, China. It was established on May 23, 2018, and registered with the Longwan District Market Supervision Administration of Wenzhou City. The legal representative is Li Chuanliang. Core products: Rectangular Duct

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

Yideshun Technology Co., Ltd

Yideshun Technology Co., Ltd., with its registered address at Building 1, Xinxing Equipment Manufacturing Industrial Park, North Section of Zhongfei Avenue, Zhengpugang New Area, Ma'anshan City, Anhui Province, is registered with the Market Supervision and Administration Bureau of Modern Industrial Park, Zhengpugang New Area, Ma'anshan City. The legal representative is Li Haosheng, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing of metal structures; Sales of metal structures; Manufacturing of electrical accessories; Sales of electrical accessories; Operation of wires and cables; Retail of hardware products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Sales of lightweight building materials; Sales of building materials; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of metal materials; Sales of rubber products; Sales of insulation materials; Production of refractory materials; Sales of refractory materials; Manufacturing of cement products; Sales of cement products; Manufacturing of asbestos cement products; Sales of asbestos cement products; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized equipment for environmental protection; Import and export agency (except for licensed business, can independently operate projects that are not prohibited or restricted by laws and regulations) Licensed projects: construction projects (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses issued by relevant departments). Core products: Rectangular Duct, Spiral Duct, Plenum Box