... milling, drilling, tapping processing, CNC precision machining service2. Material: Carbon steel, Steel alloy, stainless steel, aluminum, brass, bronze, plastic ... (PVC, POM etc.)3. Surface treatment: Zinc plated, chrome/nickel plated, phosphating, heat treatment etc 4. Leading time: ... in accordance with customers’ drawing and requirement with low price but good quality and service.2. Drawing ...