Anhui Zhongdian(ZDDQ) Electric Co., Ltd. established in 2001. ZDDQ Technology Park locates in Bengbu City of Anhui Provice. We're a professional and leading manufacture, focus on advanced power quality improvement and power factor correction. APF,SVG,SVC are our main products. ZDDQ have a leading independent R&D team and quality supervision system, and maintain long-term cooperative relations with China University of Science and Technology, Zhejiang University and a number of well-known institutions.