LONGSUN Alloy Co.,Ltd. Was established in 1986 after the economic reformation of China. branches: Zhejiang LONGSUN Electrical Alloy Co.,Ltd., Shanghai LONGSUN Electrical Alloy Co.,Ltd. ,Wenzhou LONGSUN Electrical Alloy Co.,Ltd. and Zhejiang ZhongXin assurance Co.,Ltd., the total capital is 1.089billion, more than 1000 employees. It supplied the good and stable service for more than 400 electrical equipment company and Electron Company such as ZhengTai Enterprise, People Enterprise and Delixi Enterprise. It has invested a lot of capital in the international market these two years and it has got a big successful. The quality and service are praised by the customers, such as SIMENS , General Electric Co.,Eaton, Tyco,Emerson, Invensys, ABB, LG .