black api 5ct casing90+ 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.

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;

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.

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.

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.

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.

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.

Shandong Zhuosheng Co., Ltd. Has a large inventory of products - carbon steel, galvanized, aluminum zinc, stainless steel, ductile iron pipes, oil sleeves, I-beams, angle steels, channel steels, steel rails, steel bars, steel sheet piles, tinplate, etc., which can meet your various needs.

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.

Goldenman Petroleum Equipment Co., Ltd. is proudly situated in the picturesque oilfield city of Dongying, nestled in the vibrant Shandong Province of China. Over the course of 18 years in operation, Goldenman has not only solidified its presence in the industry but also established itself as a leading manufacturer and supplier of premium petroleum equipment. We boast our own state-of-the-art factories, where we specialize in crafting an extensive range of drilling strings, valves, Blowout Preventers (BOP), cementing tools, and various other accessories essential for oil drilling rigs. Each of our products is meticulously crafted to adhere to the stringent standards set by API (American Petroleum Institute) and ISO (International Organization for Standardization) certifications, ensuring unparalleled quality and reliability.

Dongying Lake Petroleum Technology Co., Ltd (Lake Petro) is a one-stop oil service company with 15 years of work experience in oil and gas fields. We have served over 300 clients in over 30 countries and regions, involving oil and gas, water wells, mining, geology, oceanography, etc. We commit to provide the best products and services to our customers worldwide.

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.

Shandong Yacheng Petroleum Technology Co., Ltd. (YCPT) is a supplier of drilling equipment for the oil and gas industry, located in the second largest oil field in China - Shengli Oilfield in Dongying City. We are a subsidiary of Xincheng Petroleum Group, which is established in 2003. We are a first-class supplier in vendor list of CNPC, SINOPEC, and CNOOC, and member of CCOIC, CCPIT and so on.

TXD Steel Group Co., Ltd. is a professional and comprehensive steel export enterprise integrating production, processing, international trade and logistics services. Headquartered in Jinan, China, we have established wholly-owned subsidiaries in Guangzhou, Suzhou and Egypt, forming a complete domestic and international operation network that covers production coordination, market development and localized service. With years of deep cultivation in the steel industry, we have built a stable and reliable global supply system and won high recognition from customers around the world.

Fujian Tuochang Import and Export Trade Co., Ltd is an UL listed, CE attested company, specializing in manufacturing of electrical conduit and fittings. Our main products include cold-strip steel, annealed steel, galvanized steel, medium and thin-wall high-frequency steel tube, galvanized tube, squire tube, rectangular tube, hot galvanized steel and conduit tube that confirms to Chinese, British, American national standard (BS4568-1970 standard, BS31-1940 standard, UL797-2000C80.3 EMT standard, UL1242C80.6 IMC standard, GB/T14823.1-1993 Mental Conduit Standard). Size according to customer's requirement.

Tianjin Dongfanglong Petroleum Equipment Manufacture Co., Ltd. Was founded in 1999, mainly engaged in oil pipes and pipe fittings, oil special drilling and production tools and oil automation equipments. The company is named as national integration and standard implementation enterprise, a national science and technology-based small and medium-sized enterprise. With honors of"Henan enterprise technology center", "Henan postdoctoral innovation practice base", the company hold 35 senior engineers, engineers and technicians, and has successively obtained ISO9001 Quality system certificates, API 5CT certificate authorized by American Petroleum Institute and BV Quality supplier evaluation certificate issued by company of France. Owing more than 30 independent intellectual property rights, forming an industrial chain integrating design, development, manufacturing, testing and experiment of numerical control automation equipment for petroleum machinery products, which can meet customers' demand for products Full cycle service.

As a professional exporter specializing in oil drilling tools and equipment, our company has been deeply engaged in the global energy equipment supply chain since its establishment. We are committed to providing high-quality, reliable oil drilling tools and equipment to customers worldwide, covering a comprehensive range of products such as drill bits, drill pipes, wellhead equipment, drilling rig components, and auxiliary tools for oil extraction. These products are manufactured in strict accordance with international industry standards and have passed multiple quality certification systems, ensuring stable performance and long service life in harsh oilfield operating environments.

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 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.

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.

Who We Are?

Shandong Zhongxuan Metal Material Co., Ltd is a modern enterprise integrating production, processing and trade, and is a leading iron and steel enterprise group in China.

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.

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 LIGHT FIR MACHINERY Co., Ltd (LIGHT FIR) is located in Shengli Oilfield, Shandong Province, China.

Restructured from SINOPEC in 1997, Puyang Zhongshi Group Co., Ltd has 18 years manufacturing experience of petroleum machinery products till now, we have competitive prices of our main products of casing accessories like bow spring centralizer, solid rigid centralizer, float equipment, cementing plug etc.

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.

Company Profile:

Shandong Xuanlin Metal Materials Co., Ltd., was founded in 2008, covers an area of 10, 000 square meters. We are a professional manufacturing and trading company of metal building materials. We currently sell domestically and export worldwide to places such as South East Asia, Africa, North America, South America, Europe and the Middle East. Our main products are aluminum foil, electrical cable, copper tube, boiler tube, casing pipe, honed tube, steel wires, PPGI/gi coil, galvanized pipe, steel structures. We have more than 30 production lines which can produce customize according to your requirements.

Shandong Beyond Petroleum Equipment Co.,  Ltd.