New He Qiao share hold company is designed and operated by the Chinese Lanzhou silicon electrical Resources Limited company, the Chinese Lanzhou silicon electrical Resources Limited company is the largest black silicon carbide smelting professional manufacturers in China now, with an annual output capacity of 100,000 tons. The company desinged the 12500kva silicon carbide resistance furnace in 1997, it has improved the quality greatly and promoted the Silicon carbide smelting industry. It has re