Hangzhou XZB Tech Co., Ltd engages in the research and development, production, and sale of precision parts in China and internationally. The company provides valve lock clips, retainer, cotter, and spring discs; hydraulic tappets, roller rocker arms, and other precision parts, etc. It also offers precision cold forming components for automobiles, railways, aerospace, electricity, machinery, electrical appliances, electronics, military industry, shipbuilding, petrochemical industry, construction and other industries and fields. 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.