... various surface finish including polishing, oiled (rust-prevented), zinc-plated, nickel-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coating etc ... to clients’ needs)Surface treatmentspolishing, oiled (rust-prevented), zinc-plated, nickel-plated, chrome-plated, hot-galvanized, sandblasting, painting, powder-coating.(All ...