... OEM product rangeQuestions & Answers Q1.Are you factory or trading company? A: We are a ... raw material do you use? A: Cold & hot rolled Steel, Stainless steel, Galvanized steel, Aluminum alloy, Brass, Copper, Titanium, Iron, Nylon, or ... can you provide? A: Polishing, electro polishing, powder coated, hot dip galvanized, zinc/chrome/nickel plating, painting, anodized, passivation, brush, ...