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Since 2011, GFIHVAC has been dedicated to the HVAC industry, beginning with galvanized duct (GI duct) and pre-insulated duct manufacturing. Over the past 13 years, we have steadily expanded our operations, establishing and investing in new production facilities to enhance our capabilities.

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.

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.

Shandong Chaoruisi Hi-Tech Metals Co., Ltd. Was established on November 29, 2013, with a legal representative of Sun Chengyong, a registered capital of 10.8 million yuan, a unified social credit code of 91370705085110806T, and an address at the Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong. Houguanzhuang Industrial Park, Houguanzhuang Village, Beicheng Street, Weifang Economic Development Zone, Shandong Province. The industry it belongs to is wholesale, and its business scope includes: General items: Research and development of new material technology; Technical services, technology development, technical consulting, technical exchanges, technology transfer, technology promotion; Non-ferrous metal alloy manufacturing; Metal products sales; Import and export of goods; Import and export of technology; Earthwork construction; Landscaping construction; And operation of wires and cables. (Except for projects subject to approval according to law, business activities can be carried out independently according to law with a business license) Licensed projects: Operating Class III medical devices; Subcontracting construction services; Construction engineering; Electrical installation services. (Projects subject to approval according to law can only be carried out after approval by the relevant authorities. The specific business items are subject to the approval documents or licenses issued by the relevant authorities. ) Shandong Chaoruisi New Material Technology Co., Ltd. is currently operating (open for business) as a going concern.

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.

The company operates general items:Goods import and export;Daily necessities sales;Office supplies sales;Sporting goods and equipment retail;Hardware products retail;Packaging materials and products sales;Plastic products sales;Rubber products sales;Bamboo products sales;Paper products sales;Clothing retail;Luggage sales;Daily wood products sales;Daily glass products sales;Labor protection supplies sales;Electronic products sales;Lighting sales;Sales of mechanical parts and components;Sales of architectural decoration materials;Sales of metal materials;Sales of instruments;Sales of mechanical equipment;Sales of communication equipment;Sales of toys;Sales of knitted textiles;Sales of daily use ceramic products;Furniture Sales.Anhui Yuxing Import and Export Co., Ltd.Is a company with more rich customer resources and marketing experience, the company was established in 2023, registered capital of 5 million, the company is located in the beautiful ancient Anhui, the company has Marketing Department, network department, service department, comprehensive department, after-sales department, technology department and other existing staff 45 people, in the past few years, through the joint efforts of all employees, Gradually become a professional brand agent, in line with the integrity-based, active development, quality service spirit and professional, intentions, responsible concept began a new era of comprehensive development of Guanxiang, in the exploration of development, in the innovation of the forward.

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.

Hebei Yingnai Environmental Protection Technology Co., Ltd.

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.

Zhejiang Zhenglong Environmental Protection Tech Co., Ltd was founded in 1996, Our factory located in jinhua city, Zhejiang PRO. China, We have branch company in Hangzhou city with professional sales team. We have been in this line for more than 20 years. Specializing in the production of plastic flexible drain pipe, downspout extension pipe, aluminum duct, fittings. Products of high quality, durability, widely used in overseas landscape, garden etc.

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.

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.

About Lanzhi Environmental Technology

HEWAI is one of the leading Chinese manufactures specialezed in integrated plastic piping system, we provide integrated system solutions to benefit all partners and end user consumers.

Shijiazhuang Continent Rubber & Plastic Co., Ltd., established on March 15, 1995, with registered capital of 30 million CNY. It is a comprehensive trading company specializing in the distribution of rubber & plastic products, chemicals, electromechanical products, and construction materials. The company owns over 120 senior management, after-sales, and technical personnel, all of whom possess high professional skills, advanced management experience, and a high level of overall competence.

Paida Technology & Industry Jiangsu Co., Ltd. is a new technology enterprise specializing in the research & development, production, sales, and service of mining equipment, engineering construction materials, and general electromechanical equipment. Its main products include ventilators, mine/tunnel air duct fabric, asphalt waterproof membranes, EVA waterproof boards, ASA synthetic resin tiles, special-purpose machine tools, modular machine tools, general-purpose components, and other products.

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.

Myreal Energy Saving (Shanghai) Co., Ltd. - Integrated Insulation Supplier & System Solution Provider

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.

CDS SECURITY TECHNOLOGY CO, . Ltd

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.  

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 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.

Baoding Lida Plastic Industry Co., Ltd. is an acknowledged leading manufacturer in extrusion technologies of high performance plastic products in China. We provide PVC sheet, PP sheet, HDPE sheet, PVC pipe, HDPE pipe, PP pipe, PVC rod, PP profile, PVC welding rod and PP welding rod for a diverse range of applications.

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.

Hebei Weishi New Materials Co., Ltd is headquartered in Zaoqiang County Industrial Park, Hebei Province.It is a national high-tech enterprise group integrating the design, research and development, manufacturing, sales and comprehensive technical services of high-end composite materials and new materials.

Shandong Jianlong Plastic Co., Ltd. is a large company with the annual production capacity of 50, 000 tons, and it is the manufacturer with strong financial and technical capabilities, was founded in Ju County, Rizhao City, Shandong Province, China in 1992. The company possesses modern standard workshops and management system, and products are specialized on PVC well drilling pipe, Water Pipe, UPVC, CPVC, HDPE, PPR, PE-RT, PEX, MPVC pipes and fittings area, which with many authorized certificates and honors, such as quality and environment system certificates, health and safety management system certificates and other honors from National and Provincial Government departments!

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

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Back in 2004, a group of mechanical craftsmen made a humble promise in their workshop: