No. 2 xin jie kou wai da jie

Grikin Advanced Materials Co., Ltd established in 2000, is leading China manufacturer and exporter of rare and precious metals based on GRINM. The good quality and competitive prices have made us one ...

wen yi road 19-1-12

Astron optical material<br />Co., Ltd. is the biggest film material manufacturer in China specializing in target plating material, Nano Material and vaporized plating material....