Zhengzhou Protech Mechanical Equipment Co., Ltd-owned by Protech(China) Holding Litmited, is founded a group of technology enthusiastic people who are devoted to probing the newest and innovation in different fields, serving various clients worldwide for its applications. We have our ...

Our company was established in Shenzhen city, specializing the R&D, manufacturing and marketing of casting & melting equipment, polishing finishing machines other jewelry tools. We are committed to providing convenient fast services for every customer worldwide. dedicated expanding our ...