| 合金或者不是 |
是合金做的 |
| 出生地 |
Zhejiang China (Mainland) |
| 模式的数量 |
1.0mm-90mm |
The copper ball:H62 Diameter:1.0-40mm, Grade100-1000. Chemcal composition (%): CuPbZnFePSoBi61.70.08allowance0.150.010.0050.002Also in other material such as 59-1, red copper... Special material and nonstandard orders customized are available.