api smls casing pipe40+ factories verified

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.

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.

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.

Changzhou Tenjan Steel Tube Co., Ltd is a professional manufacture of cold drawn seamless steel tube, rebar couplers and related products. It is the chief editor of Industry standard "Coupler Of Mechanical Splicing For Rebar".

Who We Are?

Shandong Rosenwell petroleum technology Co., Ltd (hereinafter as Rosenwell company) is located in Dongying City, Shengli Oilfield(Belongs to Sinopec), which is the second largest oilfield and the largest petroleum industry base in China. Rosenwell company is a professional company engaged in petroleum equipment and spare parts, which is a reputable manufacturer and solution provider to oil gas drilling industry. We are focused on consumable parts, aiming for increasing parts life span, reduced operational cost, shorter downtime. Based on our domestic business with Shengli oilfield and professional engineering&commercial team, Rosenwell had built up a solid network and same-boat partnership with worldwide clients. Key advantage: OEM quality, 100% interchangeable. Competitive prices, In-time delivery, after-sales warranty service. The major scope of our products is, Top Drive System Spares, Mud pumps & spares, handling tools, BOP and BOP spares of RAM, Seals, etc We sincerely look forward to the chances of serving esteemed customers from all over the world and win-win business in the long run.

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.

Shandong Liaocheng Xinruyi Steel Plant, built in year 2017 with registered capital of 30, 000, 000RMB, and we have been in the steel products industries for more than 15 years. The company is located in Liaocheng City, next to capital of Shandong Province, and it enjoy good transportation environment of 3 hours to nearest port and 1 hour reaching the airport.

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.

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.

TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., Ltd is one of Tiancheng Steel Subsidiary corporations since2008, TIANJIN TIANCHENG IMPORT AND EXPORT Co., Ltd&TIANCHENG METAL MATERIAL (TIANJIN)Co., LTDis Established on March 2017 &2022and Located in Tianjin, and help our factory to export steel & Tubes& Nickel Alloy & Copper Tube& Stainless Steel Tube & Fitting to other country, and enjoy government policy better, We establish Home and Living Chair& Table new business with our brother company in 2020;

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.

We, Chief Steel (Shanghai ) Trading Co., Ltd, are established in 2016, located in north of Shanghai. As an local stocker dealer and international distributor, we own unique geographical advantage, to provide mainly different kinds of steel tubes, like steel pipe and fittings, and structure steel.

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.

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.

TIMES STEEL, established in 2007 and located in Dalian, Liaoning Province, China, is one of the largest privately owned steel exporters in Northeast China.

Shandong Huazhu metal manufacture Co., Ltd. is located in Shandong province, adjacent to the important steel machinery industry base in north China. Rich experience in steel manufacturing, engineering and trade. We specialize in all kinds of prefabricated/processed building materials and related services. Our main products include corten steel plate(weathering resistant steel plate)/galvanized steel plate/stainless steel plate/stainless steel pipe/galvnized steel coil galvanized steel pipe/lead sheet/galvanized retangular steel pipe/prepainted galvanized steel coil/corrugated steel sheet, etc. There are thick wall seamless steel pipe/alloy seamless steel pipe/welded steel pipe. In addition to steel materials, we also provide stamping, welding. CNC turning, bending wire cutting laser cutting. The company covers an area of 1600 square meters, more than 50 existing employees, annual production capacity of 300000 Tons, we can customize metal products according to drawings and samples. High quality and stable quality, reasonable price, punctual payment time, thoughtful and efficient service, so that our products sell well in the United States, Australia, South Korea, Turkey, Saudi Arabia, India, Russia, America Benstein, Thailand, Myanmar, Vietnam, Philippines, Chile and other countries and regions. We are committed to continuously improve product quality and service level, for more customers to serve, make Huazhu become the preferred supplier of steel products.

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.

Wuxi Dingyu Xinda Special Steel Co., Ltd. Has world-class metallurgical equipment, mature and stable technology, and safe and reliable process flow. The smelting of special functional superalloys adopts the VIM+VAR dual vacuum dual process and the VIM+PESR+VAR triple process for smelting production; Vacuum induction melting (VIM), vacuum consumable (VAR), atmosphere protected electroslag remelting (PESR) and conventional process IF+AOD+LF+VOD metallurgical equipment. Processing equipment such as heat treatment furnaces, peeling machines, rolling straightening machines, cold drawing machines, and coreless grinders; German Spike direct reading spectrometer, hardness machine, tensile machine, impact testing machine, automatic and manual ultrasonic non-destructive testing machine, eddy current non-destructive testing machine, corrosion testing machine, salt spray testing machine, German Leica metallographic microscope and other complete testing equipment. Since 2005, Dingyu Xinda has successively passed the certifications of Lloyd's ISO quality system and PED, IATF16949, ISO13485, KR Classification Society of Korea, and AD2000 in Germany. A high-tech enterprise specializing in the research and development of high-quality special alloy functional new materials, has been committed to providing safe and reliable products for global nuclear power and high-end equipment manufacturing. The company has been focusing on special stainless steel, nickel based alloys, precision alloys, high-temperature alloys, corrosion-resistant alloys, Hastelloy alloy special steel pipes, plates, bars, profiles and forgings, pipe fittings, and flanges for 31 years. The products can also be processed according to customer drawings, and are widely used in fields such as pump valve nuclear power, aviation and military industry, automobiles and ships, medical equipment, marine engineering and petrochemical, light rail high-speed rail, compressors, turbines, etc.

SHANDONG BEYOND PETROLEUM EQUIPMENT Co., Ltd. is established on request of customer and aimed to supply best product and service for the customer. It focuses on to supply best solutions for the overseas oilfield customer on equipment spares maintenance and supply.

Shandong Desheng Supply Chain Management Co., Ltd. One-stop steel solutions and provider, Located in Jinan city founded in 2015, We are specialized in Carbon steel plate Stainless steel plate, Steel structural profiles such as Steel channel, Steel angle, H beam, I beam, Steel square and rectangular tube and Steel round pipe, Steel solid bars such as Round bar, Deformed bar, Wire coil etc.

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).

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.

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.

Shandong Baotai Metal Materials Group Co., Ltd. Has been focusing on steel industry for over 15 years. It mainly deals in steel sections, carbon steel, galvanized steel, PPGI, ductile iron pipesetc. The company's annual inventory exceeds 200, 000 tons. The company maintains close cooperation with major well-known domestic steel mills and has signed long-term cooperation agreements with many shipping companies to achieve one-stop and considerate service from manufacturing to customers. Baotai Metal looks forward to working with you for a win-win situation!

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.

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.

Cangzhou Yulong Steel Co., Ltd. is located in Lijiapu Industry, known as the "Capital of Pipe Fittings in China". It is a comprehensive enterprise integrating research and development, PRO- duction, sales, quality inspection, packaging, and trans- portation.

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.

Oasis Oil Tools Co., Ltd, is a famous manufacturer which integrates the research and development, design, manufacture and sell water well screens/johnson screens, wire wrap screen, wedge wire screen, pipe based well screens, oil well screens and sand control well screens, bridge slotted well screens, perforated pipe (base pipe), gravel pre-packed well screens, wedge wire screens, passive water intake screens etc. Water, oil and gas well filtering products as well steel tubes and pipes and industrial parts.