... stainless steel, aluminum sheet, phosphor copper, brass, iron, rubber, plastic, etc or according to drawings and samples.2. Thickness: as ... drilling, grinding, etc.4. Surface treatment: zinc plated, power coated, chrome plated, hot-dip galvanized, etc or according to your ... hardware fittings and machine components, such as stamping parts, plastic parts, turning parts, casting and forging parts, and we ...