Huludao Heatspin Auto Parts Manufacturing Co.,Ltd. located in the beautiful coastal city of Bohai Sea, is a professional manufacturer of cylinder liners and pistons. It has established a mature sales network for more than 20 years.The company has advanced production technology, professional manufacturing equipment and perfect testing instruments; The products are manufactured and processed in strict accordance with the industry standards, and the product quality fully conforms to the national quality standards. And has established a sound quality system, the company has passed the ISO9001: 2000 system certification.