Shenzhen V&T Technologies Co.,Ltd. has completely grasped the key control technique and also possesses the capacity of industrialization design and manufacturing. It has developed lots of product series. The product voltage grade mainly contains 200V, 400V, 690V, 1140V, and the power grade varies from 0.4kW to 3000kW, which could meet various application demands from high, medium and low level market.