Beijing Goodwill Metal Tech Co.LTD is the leading materials manufacturer and trader in China. For decades, our sputtering targets, evaporation materials,crucible liners and rare earth materials helped our customers achieving their innovations. Beijing ......

Dongguan Qingda automation equipment Technology Co., Ltd. was founded in early 1988, business, production and sales of the early mainly takes Hongkong as a base for the development of the economy and the manufacturing industry, with the north, the company......