Huayi Electric Apparatus Group Co., Ltd. (HEAG) is founded in the year of 1986 as a manufacturer of power generation, transmission, distribution and protection. As a typical representative of high voltage apparatus industry in China, HEAG always to improving and developing H.V. power transmission and distribution system, to providing the user with complete integrated scheme from design to service, and solution scheme from power transmission to distribution, control and terminal consumption. In the past 20 years, HEAG has makes great success, our employee no., factory size, sales volume are with rapid growth. We own a biggest hang up type outdoor switches production line in Asia. And our outdoor vacuum switches are appointed as key spreading products by the National Power Ministry, and their market occupied rate reaches over 25% of the domestic market and the sales volume has been in the first position in China for six years. There are more than 150, 000 sets outdoor vacuum switches are service in China power grid now in China. Our complete set switchgear workshop is one of three biggest manufacturers in China, the annual output is more than 10, 000 sets. HEAG is China national well-known trademark, it is the first national well-known trademark in H.V. apparatus industry in China.