... the ISO9001-2000 Quality Control System. 1. Production process: sand casting, investment casting (water glass and silica ... gelcasting process), stamping, forging 2. Service offer:1), Drawing: ... : Sand Casting,Molding Casting, InvestmentCasting,Die Casting,Lost Wax Casting,Lost foam casting, V-process casting2). Forging: Hammer ,Pressure ,Hot/Cold ...