ventilation system pipe2,000+ factories verified

Qingdao Simingrui Precise Technology Co., Ltd. is a modern packaging products enterprise integrating foam-product production, mold design and machinery manufacture. We have two production bases locate in Qingdao and Zouping in Shandong province, covering exceed 50, 000 square meters and is one of the largest professional manufacturing factories in China at present.

Jiaxing Subo Pipe Industry Co., Ltd. is located in Haiyan Zhongqian Industrial Park with beautiful scenery and convenient transportation. It is a professional manufacturer integrating R&D and sales of flexible ventilation duct, including main products of aluminum foil duct, smoke lampblack machine aluminum foil duct, air-conditioning and refrigeration air duct, activated carbon air filters, central air-conditioning insulation duct, ventilation systems equipment and other accessories. After years of unremitting efforts, the company's technology in the field of flexible ventilation duct research and development has been quite mature. In the process of development and growth, the company has consistently adhered to the "integrity, pragmatism, innovation" business principles, and constantly improve the operating system, with "quality first, credit second" production purposes to improve product quality and customer experience. Our company has won unanimous praise from domestic and foreign customers. All staff of the company warmly welcome new and old customers from all walks of life to visit and cooperate with us to create a better future.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

JNFLEX (CHANGZHOU) Co., Ltd. (formerly known as Changzhou Jiangnan Prestressed Corrugated Pipe Factory), established in 1995 and located in Changzhou, Jiangsu province, is a high-tech enterprise dedicated to providing customers with flexible connection and protection products and solutions. We specialize in the design, development, production, and technical service of various corrugated ducts, flexible ducts and tubes, stainless bellows, and a variety of plastic corrugated hoses. Since 1995, JNFLEX has grown into a large-scale enterprise with over 120 employees, more than 20% of whom are R&D personnel, and has obtained ISO9001 and IATF16949 certifications. Our products serve a variety of industries, including construction and infrastructure, automotive and marine, high-speed trains, steel metallurgy, environmental protection, and the new energy industry. All Material Manufacturing Is Done By Trained And Experience Man Power With The Help Of High Tech Machineries. We have established long-term collaborations with Fortune 500 companies both domestically and internationally. Our sales network spans more than twenty provinces, municipalities, and autonomous regions across China, and we have exported to Europe, North America, Southeast Asia, Australia, South America, and Africa for many years.

Suzhou Rainbow Environmental Equipment Co., Ltd., established in 1993, is a professional factory of chimneys. It is located in the new and high-tech development zone, as the pioneer for chimney in China. Suzhou Rainbow specializes in high temperature steel gas pipeline design and manufacture. After 30 years practice in research and development, production and sale of prefabricated stainless steel chimneys, Rainbow has become the leading manufacturer in this field.

XICHENG EP Ltd is located in Guangming District, Shenzhen. It is an environmental protection equipment manufacturer focusing on the environmental protection industry for many years and specializing in the production and sales of environmental protection equipment and various accessories. We are committed to providing quality products and services to our customers in scientific management mode.

Hebei Hongjiang Rubber & Plastic Technology Co., Ltd. is a professional manufacturer of industrial hoses. Our main products are: PVC hoses, Pneumatic Hose, Duct& Vacuum Hose, Irrigation Hoses, Industrial Hoses, Rubber Hose, Food Grade Hoses, Hose Coupling & Clamps etc. We engage in the middle and high-end market because we only supply high quality products. By now we have established stable trade relations with more than forty countries and districts.

Guangdong Haowei New Material Technology Co., Ltd. is a leading high-tech enterprise specializing in the research, development, production, and sales of advanced plastic materials and solutions. Our product portfolio includes PP sheets, PP pipes, thermoplastic sheets, innovative new plastic materials, and a wide range of eco-friendly equipment. Founded 17 years ago, the company has accumulated rich industry experience and built a solid reputation for professionalism and reliability. We are located at Building A2-2, Putang Development Zone, Shuanghe Town, Heshan City, Guangdong Province, China (Postal Code: 529728). Our modern factory covers 10, 000 square meters with an annual output capacity of 15, 000 tons. By introducing advanced production lines and adopting rigorous quality management systems, Haowei ensures that every product meets both domestic and international standards. Our PP sheets and thermoplastic products are highly valued for their strength, durability, corrosion resistance, cold resistance, electrical insulation, smooth surface, and bright appearance. These performance advantages make them widely applicable across industries such as: • Environmental Protection: Wastewater treatment equipment, exhaust gas purification systems, chemical-resistant tanks, and pipelines. • Agriculture & Animal Husbandry: Greenhouse facilities, aquaculture systems, feeding troughs, and protective barriers. • Industrial & Mechanical Engineering: Machine components, lining boards, conveyor systems, and protective panels. • Laboratories & Cleanrooms: Wall cladding, furniture, fume hoods, and work surfaces. • Electronics & New Energy: Insulation materials, lithium battery components, and precision plastic parts.  Over the years, Haowei has earned the trust of high-end clients at home and abroad, thanks to our consistent focus on quality and service. To better serve global markets, the company has obtained ISO9001 Quality Management System certification and adheres to international environmental protection standards. With advanced testing equipment, strict inspection processes, and a commitment to continuous improvement, our products are exported to multiple countries and regions worldwide. Beyond our products, Haowei upholds the values of innovation, quality, sustainability, and customer-first service. We continuously invest in R&D to develop new materials that meet the evolving demands of modern industries, while maintaining an environmentally responsible approach. Our technical team also provides customized solutions tailored to the specific requirements of different applications. With 17 years of expertise, a spirit of innovation, and strong partnerships with high-end clients, Guangdong Haowei New Material Technology Co., Ltd. is committed to becoming not only a leading supplier in China but also a trusted partner in the global plastics and new materials industry.  

Jinan Bestar Inc. is a professional supplier in China, specializing in refrigeration parts. Our main products are refrigerator parts. Now we have two factories in China, manufacturing different kinds of refrigeration parts. One is mainly manufacturing condensers and evaporators. The other one is mainly manufacturing copper filter driers, accumulators and access valves.

Company Profile

Hebei Xiong'an East Boom Engineering Materials Trade Co., Ltd. is the core international trade subsidiary of Hebei Xiong'an Anzheng Engineering Materials Technology Co., Ltd., with a registered capital of 60 million RMB. With 23 years of experience in the pipeline industry, we are committed to becoming a high-tech group integrating research and development, production, and sales. Leveraging the strategic advantages of the Xiong'an New Area, we have integrated the complete industrial chain from raw material procurement to finished product delivery, with products exported to international markets such as Southeast Asia, the Middle East, and South America.

Yantai Guocheng Metal Co., Ltd. Was established in 2017, specializing in the production of metal products and accessories. As a comprehensive metal processing and manufacturing enterprise, GUOCHENG enjoys solid experience and advanced production tools. Located in China's Shandong Province, GUOCHENG has chosen a strategic location that provides the necessary proximity for the development of its operations. It is located close to major highways, just a 2-hour drive from Qingdao. Our engineering department employs specialists in the design and production of metal structures. Our mechanical welding know-how and compliance with industry standards guarantee maximum quality control.

Mengyin Runlu Import And Export Trading Co., Ltd. is a modern enterprise focusing on research and development, production, sales and service. It covers an area of more than 100 mu, has more than 30 PVC production lines, and has more than 100 employees. It is located in Mengyin County, Linyi City, Shandong Province, which is the main producing place of drilling RIGS in China. Railway, road, air and other convenient transportation, enjoy superior transportation advantages.

GUANGZHOU OCTOVENT COOLING EQUIPMENT Co., Ltd

Established in 2008, Shijiazhuang Shentong Plastic Industry Co., Ltd. is a professional manufacturer and exporter

Kebing is a professional and experienced hose and pipeline manufacturer and trading company in China. We are located in Shijiazhuang City, Hebei Province. Because of excellent quality, reasonable price and good after -sales service. Our products enjoy great reputation in automobiles, air -conditioning, ships, agriculture, construction, fire protection in the United States, Europe, and Southeast Asia. Kebing focuses on a new type of high -tech, polymer composite material plastic products manufacturer that integrates production, sales and scientific research. The resin hoses produced by our company include pneumatic hose, high pressure hose, air hose-fluid hose, garden hose, fire hoses, steel wire hoses, plastic hoses, vacuum pipes, ventilation pipes, etc. Variety; We adhere to the management principles of "quality first, service first, continuous improvement, innovation to satisfy customers", and take "zero defects and zero complaints" as the quality goal.

Invested by Qingdao Winka Electronics Co., Ltd, Qingdao Marink Enterprise Co., Ltd. is one of the leading manufacturers & suppliers for fasteners, automotive parts, plastic injections parts mainly for automotive industry and electronics industry. Meanwhile, we are exporting standard fasteners and custom-made components.

Liaocheng Jiujiang Machinery Co., Ltd. is committed to the customization and service of wear-resistant and heat-resistant steel products, and specializes in supplying power plants, coal washing plants, steel plants, petrochemicals, new energy, etc., and has made major breakthroughs in core technologies such as wear-resistant, corrosion-resistant and high temperature-resistant in pipelines. Professional advantages Our technology develops new steel materials and new products that are high temperature resistant, heat resistant, wear resistant and corrosion-resistant, and is fixedly equipped with power plants such as Datang, Huaneng, Huadian, Huadian Investment, and China Resources, as well as a large number of power plant boilers.

**Hebei Shuzhi Rubber Products Co., Ltd. - Precision Engineered Sealing & Fluid Transfer Solutions**

Founded in 1997, Jwell has grown from a pioneering workshop into a global titan in the plastic extrusion industry. Headquartered in the Jiading District of Shanghai, the company has spent nearly three decades embodying its core entrepreneurial spirit: Hard work, Persistence, and Innovation.

1. Our History.

Steel World focuses on the development of the whole chain, and constantly improves the toughness of the supply chain, through the integration of 3, 000 metal industry supply chain enterprise resources, covering metal trade, processing, logistics, warehousing, service support, etc., and builds eight business map: Carbon steel trading center, stainless steel new city, hardware fittings and decorative city, hardware electromechanical city, warehousing center, processing center, industrial business center, park life center, to form a The strong synergy of cluster development not only reduces the collaboration cost of upstream, midstream and downstream enterprises, but also improves the overall market service response speed, providing one-stop service for the supply of metal raw materials and processing and distribution for the global end-use steel industry such as manufacturing industry, infrastructure, machinery and equipment, construction, fire protection engineering, municipal engineering, steel structure engineering and so on, and assisting the development of the real economy in reducing cost and increasing efficiency, and improving the core competitiveness.

WENZHOU SINCO STEEL CO. Ltd (ZHEJIANG TSINGCO PIPING TECHNOLOGY Co., Ltd ). Is one of the leading manufacturer and exporter for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings, flanges, valves etc to our customers home and abroad.

General project: Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of glass fiber reinforced plastic products; Sales of glass fiber reinforced plastic products; Sales of fiberglass and related products; Sales of non-metallic minerals and products; Sales of metal products; Manufacturing of plastic products; Sales of plastic products; Sales of rubber products; Sales of anti-corrosion materials; Internet sales (except for the sale of goods that need to be licensed); Internet data service; Information consulting services (excluding licensed information consulting services); Technology import and export; Import and export of goods; Import and export agency; Retail of hardware products; Sales of building materials; Operation of wires and cables; Sales of daily necessities; Sales of office supplies; Sales of insulation and soundproofing materials; Sales of insulation materials; Brick and tile sales; Sales of cement products; Sales of building waterproofing membrane products; Sales of electrical instruments and meters; Sales of power facilities and equipment; Sales of electrical accessories; Mechanical equipment leasing; Sales of mechanical equipment; Sales of labor protection equipment; Sales of firefighting equipment; Crop seed management (limited to packaged seeds that are no longer packaged); Flower cultivation; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law)

Foshan NuoEnWei Ventilation Co., Ltd. Was established in 2007 as a professional enterprise specializing in the research and development, manufacturing, global sales, and after-sales service of ventilation ducts with portable fans. With over ten years of experience, our factory boasts a highly skilled technical team and advanced production equipment and technology. We adhere to the business philosophy of quality survival, quality development, and efficiency. As a result, we have established long-term stable cooperative relationships with many enterprises both domestically and internationally who recognize and praise our products.

  Hebei Zhenwang FRP Co., Ltd. ** is a modern composite materials manufacturing enterprise that integrates design, production, installation, and maintenance. Since its establishment, the company has been dedicated to the research, development, and manufacturing of Fiber Reinforced Plastic (FRP) products. Through years of technological accumulation and market development, it has grown into one of the most influential and sizable FRP suppliers in North China.

Hebei Derunze Chemical Equipment Co., Ltd is a high tech enterprises that collection of sale for project consulting, designed and developed, engineering design, materials purchaseing, transport of goods, equipmeny installation and debugging, also we had pass the ISO 9001: 2015, ISO14001: 2015 and GB/T45001-2020/ISO45001: 2018 international quality mamagement system certification.

BSTFLEX is a leading supplier from China for a wide range thermal protection products and solution for our Customers.

ZHENJIANG AGS MACHINERY Co., Ltd is a professional manufacturer and engineering service provider specializing in bulk material handling equipment and grain processing machinery. Our product line covers a wide range of machines and components, including screw conveyors, chain conveyors, belt conveyors, bucket elevators, roller mills, purifiers, bin filters, spout pipes, sieve cleaners, chains, and many other parts required for flour mills, feed mills, rice mills, and related industries.

Dinggin Hardware (Dalian) Co., Ltd. Was founded in 2011, in northeast of China. We mainly supply the cast iron and stainless steel products.