We Shanghai Sanyu Industry was established in 1991, with the technology support of Japan Sanyu. We successfully reserch and produce SY6600, SY7000 and SY8000 high performance frequency inverter. We Shanghai Sanyu Industry was established in 1991, with the technology support of Japan Sanyu. We successfully reserch and produce SY6600, SY7000 and SY8000 high performance frequency inverter. We almost believe in the quality is the basis of the company develop. To insure the quality, we insist use the world famous brand components, such as the Infineon IGBT module, Mitsubishi IGBT module, And the IC from TI, USA. We belive the good products quality coupled with rapid response and service is the basis of long-standing relations Shanghai Sanyu Industry Co., Ltd www.sanyuacdrive.com http://www.shsanyu.en.alibaba.com Tel: 0086-21-65046976 Fax:0086-21-51686158 Cell phone: 0086-15021878206