Chongqing Ruiyanchen Technology Co., Ltd. is located in Qijiang industrial area of Chongqing City in the southwest of China, which is well-known as WESTERN GEAR CITY. It is a professional mechanic machining factory with profound history and equiped with advanced precious heating equipment, teeth grinding machines, hobbing machines, lathe machines etc. CNC center. And it has over 40 workers including four experienced engineers who are in this field for over 20 years. It has quality certificate IATF16949  Main products are all kinds of gears and···