2026 Top 10 Air Duct Manufacturers in China Sichuan

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: Air Duct, Glass Steel Surface Well, Fiberglass Sand Filled Pipeline

Zhenjiang Wanshuitong Plastic Pipe Industry Co., Ltd

Zhenjiang Wanshuitong Plastic Pipe Industry Co., Ltd., with its registered address at No. 5 Zhengqian Road, Youfang Town, Yangzhong City, Zhenjiang City, is registered with the Yangzhong Administrative Approval Bureau and represented by Ding Zhenggen as the legal representative. Its business scope includes plastic pipe fittings, hardware tools, instrument pipe valves, rubber products, nylon products, metal products, PTFE products, mechanical equipment, cable trays, busbars, high and low voltage switchgear, and support and hanger processing and manufacturing; Installation of pipeline equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Air Duct, Cpvc Pipe, Y-Strainer

Dezhou Nohan Environmental Technology Co., Ltd

Dezhou Nohan Environmental Technology Co., Ltd., with its registered address located 50 meters east of the intersection of Zhenghao Road and Honghai Road in Luquantun Town, Wucheng County, Dezhou City, Shandong Province, is registered with the Market Supervision Administration of Wucheng County. The legal representative is Liu Gang, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Fan and fan manufacturing; Sales of fans and blowers; General equipment manufacturing (excluding special equipment manufacturing); Motor manufacturing; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of plastic products; Wholesale of hardware products; Retail of hardware products; Sales of insulation materials; Manufacturing of metal tools; Sales of building decoration materials; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Manufacturing of gas compression machinery; Sales of gas compression machinery; Manufacturing of gas and liquid separation and purification equipment; Sales of gas and liquid separation and purification equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of civil air defense engineering protective equipment; Construction labor subcontracting. (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: Air Duct, Activated Carbon Adsorption Box, Fire Damper

Hengshui Baijie Steel Structure Co., Ltd

Hengshui Baijie Steel Structure Co., Ltd., with its registered address at No.1 Water Plant, Liufu Industrial Zone, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision and Administration Bureau. The legal representative is Wang Chunjuan, and its business scope includes general projects such as metal structure manufacturing; Sales of metal structures; Manufacturing of metal materials; Sales of metal materials; Engineering management services; Repair of metal products; Maintenance of transportation facilities; Instrument and meter repair; Manufacturing of communication equipment; Electrical equipment repair; Sales of lighting fixtures; External contracting projects; Manufacturing of non-ferrous metal alloys; Sales of communication equipment; Sales of broadcasting and television transmission equipment; Wholesale of electronic components; Retail of electronic components; Electronic product sales; Sales of mechanical and electrical equipment; Manufacturing of radar and supporting equipment; Information system operation and maintenance services; Maintenance of electronic and mechanical equipment (excluding special 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: Air Duct, Steel Chimney, Chimney Tower

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: Air Duct, Pp Activated Carbon Box, Catalytic Combustion Equipment

Hengshui Lindong Communication Equipment Co., Ltd

Hengshui Lindong Communication Equipment Co., Ltd., registered at No. 01, Jialu Village Industrial Park, Longhua, Jing County, Hengshui City, Hebei Province, with the registration authority of Jing County Market Supervision Administration and the legal representative being Wang Yunzhi, is engaged in general projects including research and development, design, processing, sales, and installation of various steel structure products, metal chimneys, stainless steel chimneys, double-layer insulation chimneys, titanium alloy chimneys, sleeve chimneys, single tube chimneys, tower chimneys, multi tube chimneys, air ducts, silencers, soundproof covers, fiberglass chimneys, metal flues, chimney towers, overhead wire towers, communication towers, television towers, single tube towers, microwave towers, combination towers, lighthouses, streetlight poles, monitoring towers, lightning protection towers, lightning rods, and lightning rods. Observation tower, training tower, navigation tower, transmission line tower, power steel pipe pole, medium wave tower Wind measurement tower, decorative tower, stainless steel product sales, torch tower, biomimetic tree tower, sightseeing tower, radar tower, beautification tower, observation tower, monitoring tower, integrated base station, quick installation base station, substation architecture, photovoltaic bracket, video monitoring pole, cable tray, cable bracket, support arm bracket, sound screen obstacle steel column, iron tower full series, antenna elevated structure, antenna feeder line system, cooling tower, cooling tower filler, large billboard, fiberglass products, metal components, line iron parts, embedded bolts, fire-fighting equipment, corrugated pipes, traffic sign poles, steel sales, electronic product sales, professional antenna sales and technical services, lightning protection engineering design and construction, construction of ground network engineering, building engineering, power engineering, environmental protection engineering, high-rise Building smoke exhaust engineering, industrial waste gas system engineering, mechanical and electrical engineering Tower lighting engineering, steel structure engineering construction, civil foundation engineering construction, general contracting of communication engineering, maintenance and testing of communication facilities; Communication tower maintenance, processing, maintenance, repair, dismantling, and recycling of the aforementioned products; Selling hardware and building materials; Import and export of goods or technology. (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: Air Duct, Communication Tower, Hydrological Tower

Hebei Manqi Energy saving Technology Co., Ltd

Hebei Manqi Energy saving Technology Co., Ltd., registered at Liuyuanzhuang Village East, Litan Town, Dacheng County, Langfang City, Hebei Province (800 meters away from Langbo Road), registered with the Market Supervision Administration of Dacheng County, Langfang City, with Li Hongfa as the legal representative. Its business scope includes technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing and sales of refrigeration and air conditioning equipment, manufacturing and sales of insulation and sound insulation materials, manufacturing and sales of fans and blowers, manufacturing and sales of asbestos products, manufacturing and sales of general components, manufacturing and sales of metal structures, manufacturing and sales of metal products for safety and fire protection, production and sales of fireproof sealing materials, sales of metal materials, sales of insulation materials, and retail of hardware products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Air Duct, Integrated Smoke Exhaust Duct, Welding Air Duct