... ,Die casting,Plastic injection 2.stainless steel,steel,brass,copper... Metal PROCESSING SERVICE PROVIDERGAOGEL METAL produce by customer' ... Manufacturing ability of GAOGEL METAL:--- advanced CNC machine center: we make tooling of moulds all by ourselves.--- ... generate electricity ourselves. 5.Material we can processing:Steel, Stainless steel, Copper,Brass,Aluminum,Zinc... 6.surface treatment:Zinc ...