Tensioners are belt tensioners used in automotive drivetrains. The structure tensioner is mainly composed of a fixed casing, a tensioning arm, a wheel body, a torsion spring, a rolling bearing and a spring bushing, etc. It can automatically adjust the tensioning force according to the different tightness of the belt, making the transmission system stable, safe and reliable. Our company Established in 2001,Located in Jinan West industrial park ,Shandong province. For more than 20 years,our brand is VSPZ ,It has been the brand of choice for the world ‘s auto manufactures and parts dearlers .From wheel bearings and hub units to tensioner pulley and clutch assembley,our products meet the global customers dements for quality,durability and performance .  VSPZ bearings are used in Lada,kia,hyundai ,honda,toyota,renault ,dacia,fiat,opel,VW,peugeot,citroen and etc. VSPZ offers everthing needed for flawless wheel bearing replacement .From durable wheel bearings to innovative repair solutions .Our global customers rely on working with us to get the most benefits.