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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.

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More+CB News

  • [2025-04-21] Chairman Cao Jian Leads Delegation t...
  • [2025-03-28] Join Us at CIPPE 2025! “Changbao Ma...
  • [2025-03-21] Embarking on a New Journey: Changbao...

Products Center

  • OCTG for Petroleum industry

  • Boiler tubes for Power Generat...

  • Special steel tubes for Auto i...

  • Special steel tubes for Petroc...

  • Special steel tubes for Engine...

  • Other special steel tubes

Investor Relations

Listed in the Shenzhen SME Board in September 21, 2010. Stock code 002478.

More+The Bidding Information

  • [2025-04] Chairman Mr. Cao Jian led a delegation to visit clients and government departments in Oman.
  • [2025-04] Changbao Co., Ltd. and its subsidiaries successfully passed the carbon management system certification audit.

Contact Us

  • No.558,Yanling East Road,Changzhou City,Jiangsu Province,China
  • 86-519-88803811
  • 86-519-88823959
  • cbec@cbsteeltube.com

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