... Supplier – Gensun Precision Machining offer: CNC Turning/turned parts, CNC Milling/milled parts, EDM, Stamping and Bending, precision casting.Operation ... . With above 10 years of experience in metal parts and state-of-the-art technology, we have ... to provide our customers various surface treatment: cementite, nitriding, vacuum heat treatment, super low temperature treatment, hardness anodizing, ...