Mould manufacturing process

        Changhui introduced more than 100 sets of advanced numerical control  machines  and  electrical processing parallel machines and established some plants of mould  manufacturing ,  which  mainly supply to customers both at home and abroad with precision moulds such as multi -position cold stamping , plastic  injection , alloy die-casting and precision components.

Product manufacturing process

    Changhui main products include auto electronics and electrical , EGR valve, auto electromotor , welding  machine ,  precision  mould , industrial  pump  and valve etc .

Changhui  Group  has more than 10 subsidiary  companies, holding companies and manufacturing  plants  equipped  with  product   line  of  mechanism  machining ,  high-speed stamping ,plastic injection, precision die-casting , dust-free painting, surface treatments , laser marking , silk screen printing, welding, as well as more than 10assembly line.