On June 18, 2010, the screw conveyor project of Wuxi Changrong Machinery Co., Ltd. officially started construction in Wuxi Economic and Technological Development Zone. The total investment of the project is 36 million US dollars, with an initial participation of 24 million US dollars. It is estimated to be completed in July 2011 and put into operation, with an annual output value of 117 million yuan.

Wuxi Changrong Machinery Co., Ltd. is a joint venture between Wuxi Mining Group and American Biselos International Company. It signed an investment agreement with the Economic Technology Development Zone in April 2009. The commencement of the company's spiral conveyor project is of great strategic significance for enhancing the development and manufacturing capabilities of coal mining machinery in our city, adjusting and optimizing the industrial structure, transforming the economic development mode, and slowing down the transformation of resource-based cities.