HEAG is a manufacturer of H.V. & L.V. switchgear equipments appointed by state, a certified enterprise of ISO9001Quality Assurance System, National Advanced Unit of Science and Technology, High and New Technology Enterprise in Zhejiang province, etc., which mainly produces the complete set of equipments, distribution automatic switches under 40.5kV and their terminal devices, H.V. components for switchgear, electronic watt-hour meter etc. All the leading products have been selected in Catalogue of the Recommendation Enterprises for Two Networks?ˉ Construction and Reform by National Economy & Trade commission, of which, the Pole-mounted Vacuum Switch(PVS) are appointed as key spreading new products by the former National Power Ministry, and their market occupied rate reaches over 25 percent of the domestic market and the sales volume has been in the first position in the country for three years.