structure welded pipe3,000+ factories verified

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.

Company Profile

Wuxi Shengtao Metal Materials Company Limited, a combined enterprise located in Jiangsu Wuxi, specializes in metal materials and products. Our company, Wuxi Shengtao Metal Materials, boasts a dedicated steel pipes workshop with a daily maximum capacity of 130 tons. Spanning an area of 2, 124 square meters, our 26-employee team includes experts operating 14 high-tech machines, such as cold-drawing, cutting, screw heading, and flattening machines, all with 8 years of operation. Despite having a moderate workforce, our commitment to quality is evident with one quality control inspector ensuring rigorous standards are met. Although our R&D team is currently limited, we maintain a quick turnaround time of 50-100 units for new products, emphasizing our efficiency and dedication. With an annual production capacity that supports our wide range of metal pipes and materials, we serve clients worldwide, including North America, Southeast Asia, Oceania, and Europe. Our products are trusted by brand businesses, engineers, wholesalers, and manufacturers. Furthermore, our export experience spans over 9 years, ensuring reliable and high-quality deliveries. Wuxi Shengtao Metal Materials has earned industry recognition with certifications such as ISO9001, EU testing certification, CPR and RoHS, reflecting our commitment to quality and compliance.

Tianjin Ruitong Steel Co., Ltd. Was founded in 1987 and is located in Daqiuzhuang Down, Jinghai Country, Tianjin, with employees and the total assets of up to one hundred million RMB. We are a modern private iron and steel complex that integrates production, sale, and trade together. We specialize in spiral welded pipes, high frequency straight seam welded pipes, cold-strip steel, luminous hoops, and electrician round aluminum poles, altogether five big serial products. Our company has abundant technical force, advanced production equipment, and consummation examination system. Presently we have 1 electrician round aluminum pole production line and our annual production of 9.0mm-20.0mm aluminum poles is 35, 000 tons; We have four continually cold-strip steel production lines, necessary equipment, acid pickling lines, cutting machines, and hoop annealing furnaces, and our annual production of 30-400mm width and 0.5mm thickness cold-strip steel is 80, 000 tons; We have 2 high frequency welded pipe production lines and our annual production of 16-60.3mm diameter and 0.6-2.0mm thickness straight seam thin wall welded pipes is 30, 000 tons; We have 5 two-sided buries arc spiral welded pipe production lines and our yearly production of 219-2020mm diameter and 5-16mm wall thickness spiral welded pipes are 100, 000 tons; We have 2 Luminous hoop production lines and our yearly production of 400mm width luminous hoops is 40, 000 tons. Under the business policy of good faith and quality, Tianjin Ruitong Steel Co., Ltd. Attained ISO9001 International Quality Assurance System Certification and our steel sells well in North America, Africa, Southeast Asia, and Europe. Meanwhile, we have gained a good reputation among clients. Tianjin Ruitong Steel Co., Ltd. Makes efforts to make enterprise culture with Zeitgeist and Ruitong characteristics, develop the enterprise spirit with constantly strive to become stronger, never stop struggling, and never say failure, and carry forward the value idea of making the nation stronger with steel and constructing high-quality goods base to create the world brand.

Tianjin Wenli New Energy Technology Co., Ltd. Was established in 2012 with a registered capital of 120 million yuan. The company is located in Jinghai Daqiuzhuang, the steel production base of Tianjin, covering an area of 46, 000 square meters. It enjoys a convenient transportation location, being only 50 kilometers away from Tianjin Port. There are about 190 registered employees, and it has a professional team for the research and development, design and production of photovoltaic brackets. It has over 80 production lines, including automated section steel production lines, C-shaped steel/U-shaped steel/Z-shaped steel/C-shaped steel forming, CNC machine cutting, laser cutting, fully automatic cutting machines, forging machines, automatic welding and other automated production lines. The daily production capacity reaches 900 tons, with an annual total output of over 10GW, and it has obtained more than 30 technical and utility model patents. Since its establishment, the company has always adhered to the corporate philosophy of "becoming a transparent enterprise and doing a good job in the transparent business". It has passed the ISO9001 quality system, ISO14001 environmental system, ISO145001 safety system certifications and the recognition of the green supply chain evaluation system, and has also passed the 5-star service certification of the "Commodity After-sales Service Evaluation System". A total of 8 major categories of our company's bracket products have been certified by the authoritative domestic certification body, Electric Energy (Beijing) Certification Center Co., Ltd. At the same time, our company's products have also obtained EU certification. Our main products include steel structure brackets, aluminum alloy brackets, carport brackets, as well as bracket accessories, fasteners, section steel, Angle steel, channel steel, square and rectangular tubes, round tubes and other products. They have been widely applied in photovoltaic power generation, centralized and distributed power generation, agricultural photovoltaic complementarity, fishery photovoltaic complementarity, industrial buildings and other fields. The company takes product quality as its core and intelligent manufacturing as its orientation. Its sales and services cover many countries and regions around the world and have received unanimous praise from customers. Let's join hands with Tianjin Wenli to build a photovoltaic ecosystem together!

Jinan MECH Piping Technology Co, Ltd is a professional manufacturer of ERW pipes, steel pipe nipples, spiral welded pipes. It is committed to the development and production of high-quality ERW pipes, steel pipe nipples, spiral welded pipes at domestic and abroad. The company is equipped with a number of advanced automatic equipment. The welding machines are all imported from Thermatool in the U. S with high-frequency welding machine and Lincoln welding machine. There are 7 ERW production lines with an annual production capacity of about 300, 000 tons. There are 2 galvanized production line with an annual production capacity of approximately 100, 000 tons. There are 4 coating production lines with an annual production capacity of approximately 50, 000 tons. We have 5 SSAW production lines with an annual production capacity of approximately 200, 000 tons. There are also many intelligent prefabricated equipment which can meet the multi-faceted and high-quality needs of different customers.

Hebei Rongbao import and export trade Co., Ltd is a specializing in the equipment manufacturing field. Our main products include square tubes, round tubes, rectangular tubes, high-density steel tubes and precision steel tubes etc. These products, with their outstanding quality, are widely used in various fields such as construction, mechanical manufacturing, automotive industry and energy, and are highly trusted and praised by customers. We has its own stainless steel research and development department, production department and selling department.

Founded in 2002, Linyi Rongxiang Steel Pipe Co., Ltd. is a professional steel pipe manufacturer located in Hedong Industrial Park, Linyi, China. With over 20 years of manufacturing experience, we specialize in R&D, production and deep processing of welded pipes, cold-rolled strip steel and hot-DIP galvanized steel pipes. As a Provincial Innovative SME and Green Factory with 26 technical patents, we own a complete industrial chain covering raw material processing, precision pipe welding, environmental galvanizing, customized deep processing and integrated logistics services. Our factory covers 200, 000 square meters with advanced intelligent production lines and professional testing laboratories, supporting an annual output of 50, 000 tons. We produce round pipes (15mm-219mm outer diameter) and full-spec square and rectangular tubes, with wall thickness tolerance strictly controlled within ±0.2mm for standard products and ±0.1mm for high-precision customized pipes. Our in-house galvanizing workshop provides adjustable anti-corrosion solutions, with standard zinc coating of 40μm to 85μm and thickened coating over 100μm for coastal, chemical and high-corrosion environments. Adopting eco-friendly passivation technology, our products meet domestic and international environmental standards for smooth export customs clearance. We offer one-stop deep processing including fixed-length cutting from 3m to 12m, bending, punching, polishing and anti-rust treatment, allowing direct installation without secondary processing. We maintain sufficient spot inventory for greenhouse, structural, guardrail, power support and storage rack pipes, with fast delivery: 3-5 days for stock orders, 7-15 days for customized orders and 15-25 days for bulk orders. Our product lineup covers Q235B/Q355B black welded pipes, cold galvanized pipes and high-performance hot-DIP galvanized pipes. Our galvanized pipes feature strong zinc adhesion and over 10 years of outdoor anti-corrosion lifespan, widely used in greenhouses, municipal facilities and industrial projects. We support SGS third-party inspection and provide complete qualification documents, complying with GB/T3091, ASTM and EN standards for global bidding and customs clearance. With strict three-level quality control and independent R&D capabilities, we ensure stable product quality and standardized green production. We support flexible cooperation with low 1-ton MOQ, free samples, tiered pricing, T/T and L/C payment terms, as well as EXW and FOB quotations. Adhering to "Quality First, Customer Supreme, Credit-Based", we provide efficient after-sales service and sincerely cooperate with global clients for win-win development.

Tianjin Friend Steel Group with "TFCO" Brand has 5 subsidiary compainies include Tianjin Friend Steel Pipe Co., Ltd. Tianjin Steel Galvanization Co., Ltd. Tianjin Friend Metal Material Co., Ltd. Tianjin Friend Import&Export Co., Ltd. Tianjin Steel Import&Export Co., Ltd. Built in 1999 with registered capital of RMB 30 million, we have an annual production capacity of 400, 000 MT and exporting quatity of 60, 000MT.

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.  

Shandong zhishang steel company is specialized in steel products such as HR steel, CR steel, wire rod, GI steel, prepainted steel, stainless, Galvanized products, H-beam steel, steel tube, seam/seamless steel pipe Steel structure customization etc, which is China-calss professional, reliable and outstanding steel supplier.

Our business has a situation here - all of our customers are brand. They are famous and well accepted by local customer. They commit to their consumer value. They are loved by people and never fail their expectation. Although they could be all different, they have one thing in common - they work with us.

Qingdao Jingdao Credit Construction Steel Structure Co., Ltd.(abbreviated as JDCC) is a professional enterprise specialized in designing, manufacturing, marketing and construction high quality steel structure, prefabricated house and container house.We have professional steel structure engineering contracting first class qualification, with more than 22-year-limited warranty in steel building manufacturing and design.

TOPREGAL(TIANJIN) INDUSTRIAL CO, Ltd. located IN TIANJIN, China, WHICH IS LARGEST PORT IN THE NORTH OF China. TOPREGAL HAS OVER 15 YEARS EXPORT EXPERIENCE IN STEEL FIELD, MAINLY SELL BLACK STEEL PIPE, GALVANIZED STEEL PIPE, STEEL COIL, STEEL SHEET, PRE-PAINTED & GALVANIZED STEEL COIL AND STEEL PROFILES.

Our company has been engaged in import and export trade for"moret than 20 years. It is a comprehensive manufacturing company engaged in high-quality steel and has established closecooperative relations with major steel production enterprises at home and abroadWith sufficient supplyreasonable price and honest service, we are based on the Chineseand foreign markets, have good corporate reputation and win the trust of our customers. We have a united and cooperative marketing team for development. With high-qualityservice and flexible business mode, we uphold the business philosophy of "survival byquality and development by reputation", Based on the principle of "honest operation, mutual benefit and common development", we are willing to provide new and oldcustomers with better and more professional services to create a better tomorrow.

Angshan Yanfang Trading Co., Ltd. is located in Tangshan, China's key iron and steel hub - home to the largest port in North China.   With over 11 years of export experience in the steel industry, Yanfang has partnered with 18 overseas clients, helping them rank among the top five in their local markets.   The company mainly deals in steel coils, steel plates, galvanized steel coils, cold-rolled steel coils, steel pipes, galvanized steel pipes, Steel Profile, sheet metal stamping parts and machining services.

washed phosphating seamless pipe, low-temperature resistant angle steel, low-alloy angle steel, pipe material, ND steel pipe, Corden steel pipe, cold drawn square steel, cold drawn steel pipe, Q345B steel pipe, high-pressure boiler pipe, 27SiMn seamless pipe, internally threaded steel pipe, thick walled seamless steel pipe, thick walled seamless pipe, Q355B angle steel, 12cr1movg alloy pipe, 15CrMoG high-pressure boiler pipe, Q345D steel pipe, Q355B channel steel, 45 # seamless steel pipe, Q345e fertilizer special pipe, 20 # seamless steel pipe, Q345D seamless pipe, cold drawn hexagonal steel, Q345C seamless steel pipe, 15CrMog alloy pipe, galvanized angle steel, 42CrMo seamless pipe, thick Wall steel pipe, small-diameter seamless steel pipe, Q345C steel pipe, 15crmog alloy pipe, Q345E seamless pipe, Q345C seamless pipe, 12Cr1MoviG alloy pipe, Q345E steel pipe, Q355D seamless steel pipe, Q355D steel pipe Q235nh weather resistant steel plate, 20cr seamless pipe, Q355B seamless steel pipe, Q355E seamless steel pipe, 42CrMo seamless steel pipe, 35CrMo seamless steel pipe, 20G boiler pipe, 40Cr seamless pipe, low and medium pressure boiler pipe, 12Cr1MoVG high-pressure boiler pipe, large-diameter seamless steel pipe, Q355nh weather resistant steel plate, Q345B seamless pipe, 16Mn seamless pipe, 20G high-pressure boiler pipe, Q355C seamless steel pipe, special-shaped steel pipe, Q355B steel pipe, Q345E seamless steel pipe, galvanized channel steel, galvanized seamless pipe

Tianjin Xinsihai Technology Co., Ltd. Located in the important economic center of northern China, Tianjin enjoys a superior geographical location. It faces the Bohai Sea to the east and connects to the core area of the Beijing-Tianjin-Hebei region to the west. Relying on convenient port transportation conditions, a complete industrial supporting system, and the rapidly developing regional economy, it provides unique advantages for the stable growth of enterprises. As a national comprehensive transportation hub, Tianjin has an integrated logistics network including sea, land and air transportation, enabling us to provide global customers with timely and reliable steel products and services with higher efficiency and lower costs.  

ZHUJI HENGCHUAN TRADING Co., Ltd was established in 2009 year, it is located in ZHEJIANG province, China.

Liaocheng Huajian Steel Co., Ltd is located in Liaocheng, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2012, and the registered capital is 101, 0000 RMB, we are a modern private enterprises which are specialized and exporting steel materials in China and win high reputations from our customers.

Our company was founded in 2000, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in the place of industry strategic importance in Shengfang of Hebei Province. Enjoying the convenient traffic and occupying an advantageous location, the company covers an area of 30, 000 square meters, construction area of 7, 500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines., and can reach the annual production capacity of 1000, 000 tons.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Tianjin Boer King Steel Co., Ltd. Locates in the Shuang Gang industrial zone of Jinnan district 36km away from tianjin port. 6km away from tianjin airport, 40km away from train station.

Wuxi Ningchuan Material Technology Co., Ltd. is a trusted provider of premium metal materials and precision manufacturing solutions, dedicated to serving global clients across diverse industrial sectors.   Wuxi Ningchuan Material Technology Co., Ltd. Stands as your trusted and reliable partner for premium metal materials and high-end precision manufacturing solutions. Strategically located with convenient access to major international airports and coastal seaports, our modern manufacturing facilities boast state-of-the-art high-precision CNC equipment, including CNC lathes, high-speed punching machines, three-roll rolling mills and fully automated production lines. Backed by a dedicated team of seasoned technical professionals, we integrate advanced innovative technology with decades of accumulated industry expertise to consistently deliver premium products and efficient supporting services.

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.

Tangshan Zuoqiu Steel Trade Co., Ltd is located in Tangshan city Hebei Province China, one famous Chinese steel producer. Its main products include GI Coil, GL Coil, PPGI, H beam, U channel, Angle, Wire Rod, Black annealed wire, Galvanized binding wire, Flat Bar, Hollow Sections etc. In China. We work with the manufacturing giants of the industry like Hebei Jinxi Group, HBIS, Gansu Jiusteel group, Shandong Guanzhou Co., Ltd, for many years. The company has maintained the favorable cooperative relationship with customers like South Korea, Brazil, Argentina, Bangladesh, Middle East market like Saudi Arabia, Kuwait...Via superior product quality, good reputation, perfect and qualified after-sale service.

WE BOER KING STEEL GROUP(Tianjin Boer King Steel Import and Export Co., Ltd )LOCATED IN SHUANGGANGINDUSTRIAL ZONE, JINNAN DISTRICT, TIANJIN, China. 30KM AWAY FROM TIANJIN XINGANG PORT, 8KM AWAY FROM TIANJIN AIRPORT.

Tianjin Forest Metal Group is located in Tianjin Industrial Zone - Daqiu Zhuang. It is one Integrated company of steel pipes, Corrugated sheet, galvanized coils, galvalume coils, PPGI coils, angle steel / flat steel / H-beam / C-shaped steel manufacturing and sales. The group company covers total areaof60, 000 square meters and has an annual output of 600, 000 tons.

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).