Hangzhou XZB Tech Co.,Ltd researches, develops, manufactures, and sells valve train systems and parts for the car industry. The company provides valve cotters, valve spring retainers, hydraulic lash adjusters and finger followers, push rods, and tappets for heavy duty diesel engines. It also offers precision cold forming components for power tool, household electrical appliance, aerospace, machinery, and other applications. The company was founded in 2002 and is based in Hangzhou, China. Hangzhou XZB Tech Co.,Ltd is a subsidiary of Hangzhou Zuofeng Investment Management Co., Ltd.