sinosantech.com | |
网站标题: | Metals and Alloy Manufacturer - Sino Santech |
网站简介: | Sino Santech is a manufacturer of Bismuth,Tellurium,Gallium,Indium,Germanium in forms of metal powder, granule, oxides, low melting alloy, for more than 30 years |
关键字: | Bismuth - Tellurium - Gallium - Indium - Germanium - Alloy |
cnge.com.cn | |
网站标题: | 中锗科技有限公司 | 官方网站 |
网站简介: | 中锗科技 China Germanium |
关键字: | 中锗科技 China Germanium |