... A series of secondary service available, like casting; forging; welding; heat treatment etc. 6) Offering consultancy service on ... components machining 7) Customized size and spec /OEM available 8)Welcome to contact me,Thank you! Material ... powder coating, baking varnish etc. Processing turning, milling, drilling, wire EDM, welding, casting, forging, assembling, etc. Tolerance +/-0.001mm or +/- ...