2026 Top 10 Rectangular Duct Manufacturers in China

Hebei Minxin Composite Materials Products Co., Ltd

Hebei Minxin Composite Materials Products Co., Ltd., with its registered address located at the intersection of Yuhua East Street and Dongwai Ring Road, Zaoqiang Town, Zaoqiang County, Hengshui City, Hebei Province, is 100 meters east of the intersection. The registration authority is the Market Supervision Administration of Zaoqiang County, Hengshui City, and the legal representative is Duan Huangai. Its business scope includes general projects: manufacturing of non-metallic mineral products; Manufacturing of fiberglass and related products; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of high-performance fibers and composite materials; Manufacturing of high-performance fibers and composite materials; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of pipeline transportation equipment; Manufacturing of pumps and vacuum equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Installation services for ordinary mechanical equipment; Sales of pumps and vacuum equipment; Manufacturing of refrigeration and air conditioning equipment; Rubber product manufacturing; Sales of synthetic materials; Sales of green composite materials for rail transit. (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, Glass Steel Surface Well, Fiberglass Sand Filled Pipeline

Jiashi (Taizhou) Environmental Protection Technology Co., Ltd

Jiashi (Taizhou) Environmental Protection Technology Co., Ltd., registered at No. 58 Xinggang North Road, Sanyang Village, Yanling Street, Taixing City, registered with the Taixing Administrative Approval Bureau, with Xie Bei as the legal representative. Its business scope includes licensed projects such as wire and cable manufacturing; Construction labor subcontracting (projects that require approval by law and can only be carried out after approval by relevant departments, with specific business projects subject to approval results) General projects: natural science research and experimental development; Processing of renewable resources; Operation of wires and cables; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Engineering and technical research and experimental development; Wastewater treatment and its recycling; Manufacturing of specialized chemical products (excluding hazardous chemicals); Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Municipal facility management; Construction of landscaping and greening projects; Environmental consulting services; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Engineering management services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of resource recycling technology; Manufacturing of electronic components and electromechanical equipment; Manufacturing of power electronic components; Manufacturing of electronic components; Sales of electronic components and electromechanical equipment; Sales of electrical and mechanical equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic specialized equipment; Sales of power electronic components; Manufacturing of intelligent instruments and meters; Intelligent basic manufacturing equipment manufacturing; Manufacturing of metal forming machine tools; Sales of metal forming machine tools; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized electrical and mechanical equipment; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Mechanical equipment research and development; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of ecological environment materials; Sales of pipeline transportation equipment; Manufacturing of optoelectronic devices; Sales of optoelectronic devices; Manufacturing of other electronic devices; Manufacturing of electrical equipment; Sales of ecological environment materials (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Rectangular Duct, , Pp Washing Tower

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 Valve, Fire Damper

Sichuan Jianxinyuan Ventilation Equipment Co., Ltd

No. 38, West Section of Jianmen Road, Fucheng District, Mianyang City, Sichuan Province, China

Sichuan Jianxinyuan Ventilation Equipment Co., Ltd. is located at No. 38, West Section of Jianmen Road, Fucheng District, Mianyang City, Sichuan Province, China. It was established on March 23, 2017, and registered with the Market Supervision Administration of Fucheng District, Mianyang City. The legal representative is Zhang Jian. Core products: Rectangular Duct

Shandong Yechuang Experimental Equipment Co., Ltd

Shandong Yechuang Experimental Equipment Co., Ltd., with its registered address located in the middle section of Weiyi Road, Gaozhuang Town, Mudan District, Heze City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Mudan District, Heze City. The legal representative is Liu Ruiping, and the business scope includes general projects: sales of experimental analysis instruments; Sales of office supplies; Sales of specialized teaching instruments; Manufacturing of specialized teaching instruments; Sales of intelligent instruments and meters; Retail of hardware products; Sales of glassware; Sales of Class I medical devices; Specialized equipment repair; Sales of daily necessities; Furniture sales; Furniture manufacturing; Manufacturing of household goods; Sales of fans and blowers; Fan and fan manufacturing; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Information system integration services; Construction of landscaping and greening projects; Municipal facility management. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: construction project construction; Construction labor subcontracting; Professional construction work. (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, Laboratory Pneumatic System, Laboratory Supporting Equipment

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

Zhejiang Yaoniu HVAC Equipment Co., Ltd

Zhejiang Yaoniu HVAC Equipment Co., Ltd., with its registered address located on the west side of the Santang Line in Tangnan Village, Yangxi, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province (formerly within Huzhou Huayang Decoration Materials Co., Ltd.), is registered with the Market Supervision and Administration Bureau of Wuxing District, Huzhou City, and its legal representative is Zheng Qianqian. Its business scope includes general projects such as refrigeration and air conditioning equipment manufacturing; Fan and fan manufacturing; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of metal structures; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of artificial boards; External contracting projects; Sales of metal materials; Sales of building materials; Sales of metal products; Sales of insulation materials; Retail of hardware products; Sales of artificial boards; Sales of fans and blowers; Sales of refrigeration and air conditioning equipment; Sales of refractory materials; Road freight transport station operation (except for projects that require approval according to law, independently carry out business activities based on the business license in accordance with the law).. Core products: Rectangular Duct, Iron Sheet Air Duct, Magnesium Air Duct