CSB acquired Anhui Changsheng with a registered capital of 75 million yuan, jointly established by Zhejiang Changsheng and Jiaxan Zhiquan Trade

To research and development, production and sales of fine-grained products and castings, and increases market competitiveness through LEAN production and automation

After the first project was produced, it had 800,000 shafts, 600,000 sets of steel pipes and 6,000 tons of casting capacity