Shijiazhuang Changzheng Valve manufacturing Co.,Ltd., founded in 2012,is located in Shijiazhuang, Hebei Province，China. It is an industrial and trade company, devoted to the R&D, produce and sale.Our production includes engine valve, piston, valve guide as well as other engine core parts. The products we produce every year are exported to many countries like Russian, USA, Mexico, Canada, Spain, Singapore, Thailand, India etc. Our company have the best professional team so WE can promise provide reliable and high quality products and also we can provide effective OEM&ODM service.