Shanghai Sanyu Industry Co., Ltd. is affiliated to Shanghai Sanyu Electronics Equipment Co., Ltd., which was founded in 2000, with parent company Japan Sanyu Corporation(Asia). We are a leading manufacturer of AC drives, automation products(soft starter) and inverter welding machines in China. SY-8000 vector control inverter and SJR2-5000 soft starter are our key patent products. They have been used in 2008 Beijing Olympic venues and China pavili