Shanghai Longsun Alloy Co., Ltd is one of leading manufacturers of electrical alloy product industry in China, established since 1986 by board Director Mr. Yuanlong Zheng. We are specialized in manufacturing precious compound contact metal, our products are widely used in high-low voltage appliance, electron, motorcar, communication, navigation, aviation and military industry, etc. Now, we have more than 1500 staffs, 225 engineering technicians, including 5 senior professor engineers, 37 senior engineers and engineers. At the end of year 2007, the total area of the three biggest bases is 120 acres, the manufacture area is 32000 square meter. The total registered assets of the three companies which named as China-Hope Alloy Enterprise is 0.19 billion RMB, the annual sales are 0.85 billion RMB, the total assets is 1.09 billion RMB. We are the first rate enterprise in China.

In 2006, we re-invest 0.15 billion RMB to buy high precision roller from Germany (Minimum rolling thickness: 0.03+/-0.001). The advanced equipments including high precision roller, slitting machine and so on, these machines compose the high precision metal compound material product line. We have Germany Automatic Welding Machine and high-speed Stamp Machine, these machines compose the contact bridge product line. Our company owns more than 550 advanced equipments which compose the satisfactory function of Powder Metallurgy contact , oxidized contact , precious compound strip, silver contact wire, contact rivet, tri-metal contact and contact component and so on, seven types of product line.

We owe the most satisfactory equipments, we are the highest precision enterprise leadership. At present, it has more than 180 types of products, more than 3000 specifications, the annual capacity is 1000 ton. We strictly comply the EU electrical and electronic equipment environmental protection directive standards. We went into the international market, and are praised by client