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