... parts, boxes for gasoline engine and deisel engine, engine parts,cylinder head, LED lighting cover. lamp covers ,pump parts, mower parts ... parts, air condition parts,etc.,7.Surface finish process: polishing, sand blasting, chromate plating,power coating and anodizing ,etc.,acoording to ... detector, Three coordinate surveying instrument, spectrometer, brinell hardness standard machine. Cylinder head 154