烟台鹏晖铜业有限公司
请输入包含最少两个字元或数字的关键字。
描述
联络供应商
描述
- Executive standard: GB/T 4134-2003
- Composition: No. 1 Gold: Au≥99.99% Ag≤0.005% Cu≤0.002% Fe≤0.002% Pb≤0.001% Bi≤0.002% Sb≤0.001%, No. 2 Gold: Au≥99.95% Ag≤0.020% Cu≤0.015% Fe≤0.003% Pb≤0.003% Bi≤0.002% Sb≤0.002%
- Application: Used in the industry of jewelry crafts making, medicine, aviation components, electronic industry and semiconductor, etc.
您或许喜欢
确定要取消关注此供应商?