api 5l grb70+ factories verified

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.

Tianjin Youfa International Trade Co., Ltd. is the subsidiary of Tianjin Youfa Group. As one of the windows for international business, we mainly focus on exploring overseas markets as well as developing and offering service for major domestic clients. Tianjin Youfa Group is a comprehensive steel-based enterprise, the business includes steel-making, steel strip, straight seam welded pipe, galvanized pipe, rectangular pipe, spiral pipe, plastic inner-lined pipe, seamless pipe, covered electrode, so on and so forth. The annual integrate production capacity amounts to 7.5 million tons. Since 2006, we have been one of the leading corporations in Chinese Top-500. What is more, Youfa Group is the largest straight-seam welded pipe manufacturer in China. In 2008, "YouFa" Brand was regarded as the "Well-known Chinese Trademark" by Trademark Office State Administration for Industry &Commerce of the People's Republic of China. Meanwhile, we are the first-class supplier for CNPC, Sinopec and some big relevant companies. So as to adapt to the overall-developing strategy, at the beginning of 2010, YouFa Group and its subsidiaries founded SIANO(Beijing) Steel Co., Ltd, which is responsible for the import &export business, building business contact with some influential companies and providing the after-sale service for our customers.

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.

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 Shengteng International Trade Co., Ltd, which is located in the steel production base of Yangjiayuan Village, Tianjin city, China. Products mainly including PV Mounting systems, Scaffolding steel prop, Galvanized steel pipe, ERW steel pipe, Square/Rectangular steel pipe, Seamless steel pipe, Galvanized steel coil/sheet, Galvanized Corrugated sheet, weldinng all kinds of pet iron cage, steel wire, iron nails, and support OEM service.

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.

Who We Are?

Shanghai ALI-MAMA STEEL TRADING COMPANY. Known as Ali-Steel, pioneered in 2020, based in Shanghai, ALI-STEEL is a professional one-stop steel products supplier. Our business philosophy is"keep improving & win-win cooperation". We furnish best steel and strict quality management, perfect after-sales services, reasonable product prices, good customer reputation as we have faith in integrity of the our business philosophy. We realize the common development of customers, employees and enterprises. We have won trust and support of customers from all over the world. Selling steel all over China and mainly exported to South America, Southeast Asia, Middle East, South Africa, Australia and many more. Our company's main products: VARIOUS CARBON STEEL AND STAINLESS STEEL PIPE AND FITTING, STEEL CONSTRUCTION FABRICATION AND PRODUCTS, Metal including ERW steel pipe, LSAW STEEL pipe and SSAW STEEL pipe, Seamless steel pipe and galvanized Zinc steel pipe, square and rectangular steel pipe, steel plates and steel billets.

Guangzhou Kingmetal Steel Industry Co., Ltd., is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipefittings and prefabricated house. We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

Jiangsu HYT International Trading Co., Ltd was established in 2015, which is a wholly-owned subsidiary of Wuxi Lusheng Special Steel Co., Ltd., Jiangsu HYT International Trading Co. Is responsible for the overseas marketing business of various metal products produced by our group. We specialize in alloy steel, stainless steel, carbon steel, copper, aluminum, high nickel chromium alloy and other materials of pipes, plates, bars, profiles, piping fittings and welding materials, we dediceted in providing one-stop service for petroleum, chemical, electric power and automobile manufacturing industries.

HDSTEEL Group (HD-STEEL) was established in 2011 and is located in Yanshan Industrial Zone, Cangzhou, Hebei, well known as China's "Pipe Fittings Capital. " With a registered capital of RMB 8 million and a 5, 000 m² production facility, we are a professional manufacturer and supplier of steel pipes, flanges, and pipe fittings.

Chengdu Derbo Steel Co., Ltd. Since its establishment in 1990s, has focused on steel industry for more than10 years with the principle of perfect quality and excellent service and basic purpose of providing strategic sourcing service and product solutions for foreign market.

Hebei Rich Pipe Fitting Mill Co. Ltd is an enterprise specializing in producing and exporting forged flanges, steel pipe fittings, fasteners, gaskets, steel pipes anchor blocks and anchor plates. It covers about 60, 000 square meters, and the capital assets is 7 million US dollar. Our factory is located in Tianjin to the north and Bohai sea to the east, near to Beijing city, named " the hometown of steel elbow and pipe fitting ", Which have a superior geographical location and convenient transportation.

After 20 years of development, HengAn Weiye Steel Group has become a leading enterprise in the industry with is own brand and several patents. In year 2022, Hunan HengAn Weiye Metal Products Co, Ltd was established to pave the way for extended processing and international trade of metal products. The company has over 10000 tons of stock and processing bases in Guangzhou, Tianjin, Hubei and Shandong, Jiangsu and Zhejiang.

Our company is a comprehensive enterprise specializing in the R&D, production and export of stainless steel raw materials and finished products. With over a decade of deep cultivation in the industry, we have built a complete industrial chain covering raw material smelting, precision processing and global distribution. Our main products include 304/316/201 series stainless steel plates, pipes, bars and customized deep-processing products. Relying on stable quality, flexible customization schemes and efficient delivery capabilities, our products are exported to more than 80 countries and regions such as Europe, America, Southeast Asia and the Middle East, and are widely used in construction decoration, mechanical equipment, chemical equipment, kitchenware & sanitary ware, automobile manufacturing and other fields.

Shandong Baotai Steel Co., Ltd. is located in Jinan, the capital of Shandong Province. Mainly produce stainless steel, carbon steel, galvanized steel, PP G I, PP G L. Our team has been dedicated to the steel industry for 20 years. The company has established long-term and close cooperative relations with well-known domestic iron and steel enterprises. At the same time, the company's annual stock reserve exceeds 200, 000 tons, which can guarantee a short delivery time. Baotai Steel provides services to domestic government construction projects, Chinese listed companies and state-owned enterprises and other large enterprises. At the same time, Baotai Steel has long-term cooperative relations with many countries in Russia, the Middle East, Southeast Asia, South Africa, South America and other regions. With high-quality products, low prices and high-quality services, it has been highly praised by customers. Customers from different countries signed agency agreements with Baotai Iron and Steel and became Baotai Iron and Steel's agents. Baotai Steel's service team provides you with professional and high-quality services online 24 hours a day. At the same time, Baotai Steel also insists on customer-centric win-win, and looks forward to becoming a high-quality enterprise you can trust.

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.

Tianjin Dingshengwang steel Co., Ltd. is specialized in producing and marketing stainless steel products. The company is located in Tianjin which is an economic center in the north of China and international city. Oor company annual production capacity is 15000 tons of stainless steel welded pipe, and 800 Tons of seamless stainless steel, in strict line with GB, ASTM(ASME), EN, DIN, JIS and other international standard.

Established in 2007, Tianjin Tiangang Weiye Steel Tube Co., Ltd. is located in Tianjin Beichen District. We are one of the biggest steel products supplier by the Coast of Bohai Sea. Tianjin has Already formed a three-dimensional comprehensive transportation network. Our geographical Position is superior and transportation is very convenient.

ZYT Co., Ltd. is a professional manufacturer and supplier of raw materials, electronic products, and water filters, which are widely used in the power plant, petrochemical, and energy industries.  As a leading provider of a diversified portfolio of raw material products, we offer steel, aluminum, and copper products in various forms, including coils, sheets, pipes, profiles, fittings, and flanges. Furthermore, we provide comprehensive customized processing and cutting services to meet your specific needs, covering horizontal and longitudinal cutting, laser and waterjet cutting, welded pipe processing with pipe fittings (tees, elbows), explosive composite plate fabrication, as well as forging and casting customization. As a preeminent provider of a diverse range of Raw Material Products, encompassing Steel, Aluminum, and Copper products in various forms such as coils, sheets, pipes, profiles, fittings and flanges. Furthermore, we offer comprehensive Processing and Cutting services tailored to meet your exact needs, including horizontal and longitudinal cutting, laser and waterjet cutting, welded pipe processing with pipe fittings (tees, elbows), explosive composite plate fabrication, and forging and casting customization. Headquartered in the dynamic Shijingshan District of Beijing, China, ZYT has established strategic warehousing bases in Jiangsu, Shandong, and Hebei provinces, ensuring seamless logistics support for efficient delivery both domestically and globally. With extensive experience in the domestic and international steel product supply market, we have built a solid reputation for reliability and quality. Recognizing the immense potential of new energy, ZYT has set up a dedicated New Energy Department, specializing in cutting-edge products in this field. Our product range includes ESS & EV batteries, energy storage systems, photovoltaic solar panels, solar hybrid inverters, integrated DC chargers, community charging networks, and a wide variety of electronic components.  We warmly welcome overseas clients, EPC contractors, end-users, and all relevant stakeholders to cooperate with us as reliable partners and explore tailored solutions together.

After many years developments, Wuxi Baowang Steel Co., Ltd. Has become one of the level-one suppliers of China. Now the company is mainly focusing on the import and export all kinds stainless steel products,

HUATONG XINDA is an integrated company of industry and trade, specializes in supplying scaffolding for construction industry and pipeline products for the petroleum, natural gas, electric power, chemical, refining, refrigeration, heating and other industries. The main products are construction scaffolding, ring lock scaffolding, welded steel pipes, square pipes, rectangular steel pipes, anti corrosion steel pipes, etc., can also be customized according to the customer's special design and requirements.

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.

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.

GPE OIL Machinery Co., Ltd was founded in 2005. We specialize in the production of API 6A valves, Christmas trees, API 16A blowout preventers, API 5DP drill pipes, and other products. We have 12 professional and technical personnel, 45 production workers, 13 professional inspection personnel, 14 professional sales personnel, 5 professional service personnel, 50 large-scale professional processing equipment, more than 40 professional testing equipment, and a plant area of more than 40000 square meters. In 2015, we set up a branch in the United States, expanded its sales share in North America, and its product quality was recognized by international well-known oil companies, and established a long-term and stable cooperative relationship. The company adheres to the principle of "customer first, quality first". The company enjoys a good reputation for product quality and delivery time. Our vision is to become a world-class oil equipment supplier. Our mission is to provide customers with the best oil equipment. We are willing to fight for it all our lives.

Tangshan Xinghe Trade Co., Ltd is a part of Tangshan Mulan Industrial Co., Ltd, in charge of the import and export business.

Shandong Xinchengyuan Import and Export Co., Ltd is a professional steel company engaged in the research, development, production, sale and service. It had five branch companies. Our annual sales nearly one billion, about 280, 000 tons steel, It is located in Jinan with the convenient transportation access. In line with the development concept of quality conquer the world, service achievement future. We dedicate to strict quality control and thoughtful customer service, and our experienced staff members are always available to discuss your requirements and ensure every customer satisfaction. Our main products include PPGI, galvanized steel, steel plate, round bar, steel pipe, Stainless steel product, angle bar, steel pile, H beam, I beam, angle, Channel flat steel etc. With double guarantee of service and management system. Main market distributes in North America, South America, Africa, Southeast Asia as well as Oceania. We have established long-term and win-win partnership with many large steel manufacturers, such as Baosteel, Laiwu Steel, Rizhao Steel, Handan Iron and Steel, Angang and Maanshan Iron and Steel. We always foucesed on the intergration of reasources, in line with the concept of win win cooperation. Sincerely wish to build a long and regular business with you forever.

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.

HONGKONG EASTLONG TECHNOLOGY Co., Limited We are mainly engaged in the sales of tubing coupling, casing coupling, pup joints, tool joints, and so on. Our factory is located in Henan, China. We have more than 15 years of experience in production, We have the ISO 9001 Quality Control Certificate, API - 5CT Certificate.

Liaocheng Xinglong Seamless pipe Manufacturing Co., Ltd is founded in 2004, Covering an area of 15000 square meter. And the total asset is above 250 million Yuan. There are 850 staff members including 180 technicians in our company. Annual output is 60, 000 tons. We also establish an effective complete quality control system. In 2006, our company obtained the authorization of ISO9001 Quality System. And it started to run in accordance with API 5L and API 5CT in 2009.