Shandong Binzhou Bohai Piston Co., Ltd. is very good. The annual production capacity of Binzhou Bohai Piston Co., Ltd. is 30 million pieces. It is the only professional enterprise in China that can fully produce pistons for various automobiles, ships, engineering and other power machinery. They insist on "never giving up an inch of ground in the domestic market and advancing every inch in the international market", and have now become a domestically leading and world-class piston manufacturing enterprise in terms of comprehensive strength. Hong Wuli, assistant general manager of Binzhou Bohai Piston Co., Ltd., told Lightning News reporters that the company’s comprehensive market share in China has reached 35%, and its share in medium and heavy trucks is as high as 55%.