国产精品偷伦视频免费观看了,国产 双飞 高清露脸视频在线 ,国产极品美女到高潮

  • SHARE: 

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.

More+

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

Recommended Products

customer service hotline
国产精品无码2021在线观看,国产免费丝袜调教视频,亚洲 欧美 叧类人妖,91香蕉视频一区二区在线观看国产b站视频 国产精品特级毛片一区二区三区,国产免费破外女真实出血视频,亚洲中文字幕国产综合,日本 888 XXXX 国产h视频,国产精品碰碰现在自在拍,亚洲三级在线,免费播放一区二区三区 视频 国产 在线不卡,国产精品 亚洲 欧美,亚洲高清国产拍精品动图,精品久久久久中文字幕一区 国产精品日韩无码,免费播放片Ⅴ免费人成视频,欧洲 亚洲 国产图片综合,成人麻豆亚洲综合无码精品 高清无码a视频在线观看,国产极品粉嫩馒头一线天AV,亚洲AV 无码网站在线观看,精品国产亚洲AV麻豆
龙里县 香港 喜德县 长寿区 惠水县 驻马店市
广州市 惠水县 论坛 丁青县 英山县 化州市
墨脱县 高尔夫 江口县 宁夏 囊谦县 南投市