... Nitrogen Cylinder for mould 1.ISO 9001:2008 CE certification 2.1.5 million serving life 3.Fatigue ... million timesUsageAuto mould, cars &automobileCertificateISO9001:2008, PED97/23/CE and Quality cerficaterAdvantageindependent R&D,high quality and competitive ... mold. Authority quality authentication Long life have through the certification of CE, Shanghai automotive Co., LTD and china spring factory ...