A few days ago, the China Machinery Industry Enterprise Management Association released the 2011 “China Machinery 500 Research Report†and Yizheng Shuanghuan Piston Co., Ltd. was re-elected. It is understood that this research report is a corporate competitiveness evaluation model designed by world enterprise laboratories according to international conventions. The company's sales revenue, total profit, asset profit rate, growth rate and other data, combined with industry differences, reputation index and other factors to conduct a comprehensive analysis of research and conclusions.
Power Plant Spare Parts generally including the pressure parts, casting parts, electronic parts, auxiliary equipment,etc.
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Extensive reading:
Yizheng Shuanghuan Piston Ring Co., Ltd. (CYPR) was established in 1995 by the former Yizheng Piston Ring Factory of Jiangsu Province and ASIMCO (ASIMCO) with a total investment of 350 million yuan. In 1998, it was with Japan Piston Ring Corporation (NPR). Technical cooperation is China's largest professional manufacturer of piston rings. The company has an annual production capacity of 150 million pieces and more than 2,600 varieties and specifications. The Shuanghuan brand piston ring covers the heavy, medium-duty, light-duty trucks, sedans, mini-vehicles, motorcycles, and industrial and mining machinery. The domestic market share is 25%. The market share of diesel engine piston rings in the domestic market is 70%, and the coverage in the country is more than 80%. The national host market is 90%. 
