welcome to bgrimm advanced materials science & technology co.,ltd！
| type | compostion | size |
| co | 99.5% | -300/200 mesh |
| ni | 99.5% | -300/200 mesh |
| cu | 99.5% | -300/200/80 mesh |
| w | 99.5% | -325 mesh |
| wc | -300/200 mesh | |
| cr | 99.0% | -200 mesh |
| sn | 99.8% | -300/200 mesh |
| mn | 99.0% | -200 mesh |
| al | 99.0% | -200 mesh |