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About Us

Jiangsu Changbao Steel Tube Limited Co. (referred to as "CB") is a manufacturing service company devoted to the production of special steel tubes, founded in 1958 and listed on the Shenzhen Stock Exchange in 2010 (Stock code: 002478). It is located in Changzhou City, Jiangsu Province of the Yangtze River Delta developed region, adjacent to the Shanghai-Nanjing Expressway and the Beijing-Hangzhou Grand Canal, and is equidistant from Nanjing and Shanghai. There is a dedicated railway line connecting to the Shanghai Nanjing Railway, providing convenient transportation. At present, Changbao has three production and manufacturing bases in Changzhou, Jintan, and Oman, with an annual production capacity of 1 million tons of special steel tubes.

Our products include OCTG, power plant boilers tubes, tubes for engineering industries, petrochemical heat exchangers, automobiles, ships, and special steel tubes for other segmented markets. The products are exported to more than 50 countries and regions worldwide, with customers from well-known domestic and foreign oil companies, power and energy companies, and mechanical equipment manufacturing companies. We focus on the high-end special steel tube market, adhere to the spirit of "earnest, consistent, traditional and innovative", explore and advance continuously, and stick to the development path of brand specialization. Our tubing, small diameter alloy high-pressure boiler tubes, HRSG ultra-long tubes, U-shaped tubes for heat exchangers and other products have maintained a leading market share in the industry, with a high domestic and international reputation. Moreover, multiple products have become key products and invisible champions in the industry.

Changbao, a high-tech enterprise, has successively established the Jiangsu Special Steel Tube Engineering Technology Center, Jiangsu Seamless Steel Tube Engineering Technology Research Center for Special Service Conditions, and CNAS National Accreditation Laboratory. It has been recognized as the Jiangsu enterprise tech center and key enterprise R&D institution. Changbao and its subsidiaries have independently developed multiple new products that achieved national and provincial-level, obtained the National Torch Program and multiple invention patents, and formulated relevant national standards. In recent years, we also have successively been honored with Changzhou Mayor's Quality Award, Changzhou five-star industrial enterprises, Changzhou Industrial Quality Management Benchmark Enterprise, National Specialized, High-end and Innovation-driven Little Giants, Jiangsu Province Credit Management Demonstration Enterprise, Jiangsu Province Five-Star Cloud Enterprise, Jiangsu Province's First Batch of Industrial Internet Development Demonstration Enterprise, and National Green Factory.

We attaches great importance to equipment investment and technological transformation, with advanced equipment and professional advantages. We have established 2 CPE hot rolling lines, 1 ASSEL hot rolling line, 1 PQF continuous rolling line, 12 thread processing lines, 4 pipe end upsetting lines, 6 OCTG heat treatment lines, 8 boiler tube heat treatment lines, and 2 U-tubes lines. Recently, we have focused on the digitization and intelligent upgrading of production lines, promoting post automation, centralized control of production lines, and the construction of information platforms to improve the intelligent manufacturing level of enterprises. In 2021, we introduced the world's latest technology - PQF continuous rolling mill, designed and manufactured by SMS Demag, and put it into operation. After that, the equipment capacity and intelligent manufacturing level were comprehensively improved, and the technical ability and quality reached industry-leading levels.

We also pays great attention to technological research and innovation. In 2021, Changbao Technology R&D Center was put into operation, equipped with world-class inspection and testing equipment, specializing in the research of seamless steel tube manufacturing technology and materials. In recent years, we have established multiple joint research and development platforms with partners such as SMS Demag, Tubular Goods Research Institute of CNPC, Fushun Special Steel Co., Ltd, Magang (Group) Holding Co., Ltd., NISCO (Nanjing Iron & Steel Group International Trade Co., Ltd), Changzhou Eastern Special Steel Co., Ltd., and Xiangtan Iron & Steel Group Co., Ltd, focusing on material research and development, production, and service performance evaluation, solving the difficulties in material design and manufacturing, enhancing the competitiveness of domestic high-end special tubes, and promoting high-quality development of the upstream and downstream industrial chain. We are building a high-level R&D platform for special tubes, building a national enterprise technology R&D center, and helping the company become a technologically advanced enterprise.

We are also qualified by ISO9001, ISO14001, OHSAS18001 management system, the United States APl monogram certificate, TUV Certified PED and AD w2000 EU certificate, the Russian GOST certificate, LR/BV/ABS/DNV/NK/KR/CCS/RINA certification of eight national classification societies. We have obtained certifications and supply qualifications from internationally renowned enterprises such as PDO, KOC, OXY, GE, DOOSAN, IHI, LT, BHI, BHEL, etc. Furthermore, we are an important supplier of domestic key oil and gas fields such as PetroChina, Sinopec, and CNOOC, and an excellent supplier of domestic key boiler factories such as Dongfang Boiler Co., Ltd, Shanghai Boiler Works Co., Ltd, and Harbin Boiler Co., Ltd.

Our development cannot be separated from the trust and support of customers. As a listed company, we have always adhered to the business development philosophy of "brand, leadership, value, and partnership", striving to enhance our own value. we also make great efforts to create value for our customers and suppliers, to achieve a win-win platform between the company, employees, shareholders, society, and stakeholders. We will adhere to the corporate mission of "continuous progress, creating more value for society", and devote ourselves to becoming a flexible operated, standardized running, marketed brand, and increasingly profitable public company with unique characteristics.

In the future, we will closely focus on our vision and mission, keep up with the development of international steel tube technology, fully participate in global division of labor, firmly implement the "specialized, high-end and innovation-driven" and high-quality development positioning, with the goal of maximizing efficiency and value. We will operate on a scale of 1 million tons led by brand management, professional management, compliance management, and calm management to create a pioneering enterprise in the segmented market for special tubes through brand marketing, technological progress, and lean improvement, striving to be a globally renowned special tube manufacturer.

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