The tensioner pulley is a belt tensioning device used in the automotive transmission system. It mainly consists of a fixed housing, tensioning arm, pulley body, torsion spring, rolling bearing and spring shaft sleeve, etc. It can automatically adjust the tension force according to the different tightness of the belt, ensuring the stability, safety and reliability of the transmission system. The function of the tensioner pulley is to adjust the tightness of the timing belt. Generally, it is replaced together with the timing belt to avoid future troubles. There is no need to replace other parts necessarily. Just have regular maintenance.

Beijing Hongtong Chaozhou Commerce & Trade Co. , Ltd. is a private enterprise, founded in 2015, located in the Xianghe County Economic Development Zone, adjacent to Beijing and Tianjin, convenient transportation. The company mainly produces EPB electronic parking brake system, electronic pumps, intake manifold and other automotive parts. The company has rich experience in R & D and production, with advanced production equipment and modern testing equipment, strong technical force. At present, the company's main customers are: Audi, Volkswagen and other major automotive enterprises and Auto Parts Enterprises, the company has become one of the major domestic auto parts manufacturers.