... : Copper, Brass, Aluminum, Stainless Steel, Steel alloy, etc.(Material to process: aluminum, stainlesssteel, carbon steel, brass, lucite)2, Usage: ... roughness: Ra0.8-3.24, Weight: ranging from 0.50g to 10000kg5, Surface finish: polishing, oiled (rust-prevented), zinc-plated ... 4) International sales who were trained the technical know-how spot check before shipping.8.OEM service is available.All kinds ...