... die casting 2.SGS ISO9001:2008. 3.Shade for LED lamp Aluminum die casting for hanging lamp shade, mainly for LED light.We are ... , DIEVAR, QDN, 8407, 2344V, TQ1, 2343, SKD61,45#steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High precision,Quality ...