... part made of copper: 1 Tight tolerance 2 Precision machining 3 Various materials available 4 Your drawings welcome CNC ... marine, construction, mining, electric, electronic, furniture industry etc.6.Machining processing: Cutting, welding, punching, drilling, turning, milling, grinding, rolling, ... -574-88454438Website: www.hi-shen.com Precision cnc copper parts, machined parts machining service