Q.C. Witness is OEM specialist in machining, forging, Weld Flange, tube, pipe. (conforming to RoHS)

Capable of CNC processing, drilling & tapping, outer diameter grinding, vibratory grinding, sandblasting, manual polishing grinding, multi-color electroplating, anodizing treatment, nano-coating, chromate-free surface treatment (conforming to RoHS), in-house assembly lines available to reduce outsourcing procedures for fast delivery and minimized stocks.