The company's main: Weichai Power of the WD615 diesel engine in the European II & nbsp; and WP10 and WP12, P10EGR, WD618 engine series accessories. Natural gas steam Weichai Power Weichai Power & nbsp; EVB engine valve adjusting bolt: 612600050043 applicable to Weichai WP10, WD615, & nbsp; Ou second engine. Tel: 0531-85702855 58726821 hand machine: 13853193206