Shenyang Top New Material Co., Ltd. was established in 2001. Through hard work and dedicating efforts, our company develops quickly. Our company covers an area of 12,000 square meters, including 8000 square meters of construction area of two workshops. 1. Powder metallurgy workshop: The main products: 1) Copper-tungsten and silver-tungsten alloys for high pressure switch contacts; spark electrodes and welding electrodes 2) Metal ceramics for moulding tools of copper squeezing, sealing ...   |