... .SGS ISO9001:2008. 3.Shade for LED lamp Aluminum die casting for street light led.We are a real factory that is ... #steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High precision,Quality materials, Long lifetime, Short delivery timeEquipmentCNC precision mould ... some die casting projects with you together perfectly. Street light led