... , Mg & Zn 3. ISO9001:2008 compliant Donguan China injection molding processOur Business Scope: Dongguan Shenghong Metal Products Co., Ltd. manufactures & exports high-quality ... , H13, etc.Mould standardHASCO, LKM, DMEHeat treatmentHardening, NitridingFeaturesAdvanced design, High precision, Quality materials, Long lifetime, Quick deliveryDie Casting PartsMolding processDie castingMaterialsAl ...