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We are one of the most professional plastic conduit manufacturers and research and development companies in China. We specialize in the development and production for innovative plastic conduit and fitting products for the cable management and protection.

Our company was founded in 2007 and moved to Longyou Economic Development Zone, Zhejiang Province in 2022. It covers an area of 130, 000 square meters, more than 30 production lines, and an annual output of 50, 000 tons. It has passed ISO9001: 2008 quality management system, PED 97/23/EC EU Pressure Equipment Directive certification, China Special Equipment Manufacturing License (Pressure Tube) TS certification, ASME certification, provincial enterprise standardization management system, ISO14000: 2004 environment Management system, cleaner production (green enterprise) and a series of certifications, as well as China Classification Society (CCS), American Bureau of Shipping (ABS), British Register of Shipping (LR), Deutsche Veritas (GL), Bureau Veritas Society (BV), Det Norske Veritas (DNV), Korean Register of Shipping (KR) factory certification. The main products include stainless steel pipes, pipe fittings, flanges, valves, etc., which are widely used in petroleum, chemical industry, nuclear industry, smelting, shipbuilding, pharmaceuticals, food, water conservancy, electric power, new energy, mechanical equipment and other fields. The company adheres to the corporate tenet of "quality for survival, reputation for development" and wholeheartedly serves every customer to create a win-win situation.

Shandong Donghong Pipe Industry Co., Ltd. ( Donghong Pipe Industry, stock code: 603856) is headquartered in the hometown of Confucius - Qufu, China, and is an engineering pipeline manufacturer, pipeline engineering service provider and general contractor of pipeline engineering for all kinds of high polymer plastic pipelines, modified plastic composite pipes, heavy Donghong is a manufacturer of engineering pipelines, pipeline engineering service provider and general contractor of pipeline engineering with various types of high polymer plastic pipes, modified plastic composite pipes, heavy anti-corrosion metal pipes, energy-saving thermal insulated pipelines, connecting fittings and the application of new materials as its main business. Relying on the national enterprise technology center, the company integrates upstream and downstream ecological resources, deepens the research on digitalization, informatization and intelligentization of pipeline engineering, integrates intelligent pipeline into human life, and devotes itself to becoming a global leading comprehensive solution provider of pipeline system.

Hebei Yingnai Environmental Protection Technology Co., Ltd.

Liaocheng Yiheng Machinery Co., Ltd. Was founded in 2015. We are a professional enterprise engaged in producing and exporting concrete hose and concrete pump spare parts. Yiheng is located in Zhangluji Town, Dongchangfu District, Liaocheng City, Shandong Province, China. Our manufacture covers an area of more than 20000m3 , has fixed assets of over 8 million yuan. And currently we have 86 employees, including 36 professional technicians with college education. Within years of development and growth, Yiheng has become a large joint venture integrating research, design, production, and sales.

In the magnificent landscape of the steel industry, Liaocheng Mingxing Pipe Manufacturing Co., Ltd. Has been like a rising star since its establishment in 2016. It has emerged prominently in the industry with a rapid momentum and gradually grown into a pioneering enterprise integrating modern production and trade. The company has always focused on the global market with keen insight, and advanced steadily in the fierce market competition relying on forward-looking strategic vision and solid business capabilities, constantly writing its own development chapter.  

Founded in 2001, Hengrun Group Co., Ltd. is one of the earliest manufacturers specializing in FRP (glass reinforced polymer) composite materials in China. With a long history of more than two decades, Hengrun Group has always been committed to innovation, quality and excellence and has become a leading enterprise in the composite materials industry.

Established in 2012, Shandong Liaocheng Jiuyang Steel Pipe Manufacturing Co., Ltd. is located in Liaocheng City, Shandong Province-renowned as China's "Steel Pipe Capital. " With a registered capital of 50 million RMB, the company is a modern steel pipe manufacturing enterprise integrating R&D, production, and trade, specializing in the production and sales of high-quality steel pipe products.

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!

Jingdong Pipe Industry Co., Ltd is a large group company integrating mining, beneficiation, sintering, ironmaking, and casting. It has three smelting blast furnaces, ten centrifugal units, three annealing furnaces and five automated finishing lines. It mainly produces ductile iron pipes, flexible cast iron drainage pipes, ductile iron fittings, ductile iron manhole covers. The overall annual production capacity exceeds 500, 000 tons. The company's products have passed: Environmental Management System GB/T24001-2016/ISO14001: 2015; Occupational Health Management System ISO45001: 2018; Quality Management System GB/T19001-2016/ISO9001: 2015. And become the recommended product of China Water Supply and Drainage Association. Product implementation standard: GB/T13295-2109.

Tianjin Zengze Steel Trading Co., Ltd. is a wellestablished enterprise engaged in the steel industry in China, with an annual sales volume of over 10 million tons. Zengze has built considerable influence within the steel sector.

Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.

Wholesale and retail: Pipeline equipment, steel, hardware products, insulation materials, building materials, sports equipment, plastic products, rubber products, mechanical equipment and spare parts, import and export of goods (for projects that require approval according to law, business activities can only be carried out after approval by relevant departments).

Shanghai Changjin Metal Product Co., Ltd, as one of the subsidiaries of AMHG, the marketing products including: Pipe, plate, bar, coil and etc of stainless steel, aluminium alloy, alloy steel and copper.

Permanent Steel Manufacturing Co., Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, casing pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc. As a factory, which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin.

Shijiazhuang ShengShichang Trading Co., Ltd. Was established on March 29, 2018, located in Chang 'an District, Shijiazhuang City, Hebei Province. The company is a foreign trade business company of China's strength pipe manufacturer Jinghua Plastic Industry, committed to providing domestic and foreign customers with healthy, environmentally friendly and reliable pipe products.

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.

Your Comprehensive Steel Processing Partner - From Raw Materials to Precision Components, One-Stop Solutions with Rapid Delivery.

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

Hebei Hengyuan Pipeline Equipment Group Co., Ltd. is a national high-tech company specializing in steel pipes and pipeline anti-corrosion solutions. The company has a registered capital of 50 million yuan and is located in Zhenggang Industrial Park, Yanshan County, Hebei Province, a major pipeline production base in China. It is conveniently connected to the Beijing-Shanghai Expressway, Rongwu Expressway, and Huangshi Expressway within 30 km, Cangzhou West High-Speed Rail Station within 40 km, and both Tianjin International Airport and Jinan Yaoqiang Airport within 150 km, making it convenient for customer visits and business development.

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Our History

Company China Steel Material & Pipe Company, together with its subsidiaries Company JinHuaTai (Tianjin) International Trade Co, Ltd, Company HuaQiYouFa Pipe Tech, and Company ZhongTian ZhongGong, are affiliated to the same group. One-stop steel material, steel pipe&plate, section steel and customization tailored to your needs more than 2 years. Our steel material supply 30 out of 32 regions in China. It has 4 offices in China, 1 international branch in Tianjin; 3factories(2 in LiaoCheng, 1 in JingHai).

Hengshui Gains Trade Co., Ltd. Locates in Jizhou City, Hebei Province_biggest production base of FRP products and radiators of China, combines advantages of local different industries, Hengshui Gains Trade Co., Ltd. Consists of several large-scale manufacturers, depends on customers' different requirements, we recommend and choose suitable manufacturer to satisfy and fullfill, we can provide design, supply, shipping, installation, commissioning etc one-station service or technical consultation service. From our company to Tianjin seaport is 300km, to nearest airport is 180km, nearest high-speed train station is 90km.

Kangtai Plastic Technology Co., Ltd.

Tianjin Hypile Foundation Engineering Co., Ltd. (HYPILE)

Shandong Hongcheng Metal Materials Co., Ltd. is a professional steel product manufacturer. The company is located in Jinan City, Shandong Province, close to Qingdao Port and Tianjin Port, and sea transportation is very convenient. Main products: Carbon steel coils, stainless steel coils, galvanized coils, color-coated coils, roof panels, rebars, H-shaped steel, angle steel, channel steel, etc., with rich product resources, providing you with one-stop procurement.

Shandong Xingtongda Steel Co., Ltd was founded in 2020 with a registered capital of 10 million RMB and has more than 20 years of experience in the steel industry. Our annual sales nearly one billion, about 300, 000 tons steel.

SHANDONG TONGMAO SPECIAL STEEL Co., Ltd is reputed at supplying copper pipe, aluminum tube, brass tube, stainless steel coil, galvanized steel coil, precision seamless steel pipe, also supply steel plate, steel coil and steel pipe, lead sheet etc.

ZHEJIANG ZHONG DING IRON AND STEEL Co., Ltd is a large-scale enterprise integrating production, sales and trade. The company now has 8 hot-rolling piercing production lines and 30 cold-rolling unit production lines, with a production range of 10mm-219mm, wall thickness 0.5mm-22mm, tolerance range of +-2 wire precision steel pipes, and an annual inventory of more than 8, 000 tons of precision bright tubes; Advanced There are 6 double-sided submerged arc welded spiral steel pipe production lines, which can produce double-sided submerged arc welded spiral steel pipes with a diameter of 219-3620mm and a wall thickness of 6-30mm. The annual production of spiral pipes is more than 200, 000 tons and is trusted by the majority of the industry.