| Material： | tungsten，molybdenum，tantalum，niobium etc. |
| Specification： | Processing according to drawing and sample |
| Standard： | GB |
| Product name | nut，bolt，screw，standard parts，nonstandard parts |
| Material | tungsten，molybdenum，tantalum，niobium etc. |
| Purity | W≥99.95% |
| Specification | Processing according to drawing and sample |
| Standard | GB |
| Package | Plywood package or according to request |
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