| No. | Product Name | CAS | Specification | Minimal packaging | Remarks |
| 241 |
Vanadium |
7440-62-2 | 3N | 25g/bottle | |
| 242 |
Lithium sheet |
7439-93-2 | 3N | 25g/bottle | |
| 243 |
Manganese sheet |
7439-96-5 | 0.997 | 25g/bottle | |
| 244 |
Chromium granule |
7440-47-3 | 4N | 25g/bottle | |
| 245 |
Iron wire |
7439-89-6 | 4N | 25g/bottle | |
| 246 |
Zinc wire |
31396-84-6 | 4N | 25g/bottle | |
| 247 |
Germanium block |
7440-56-4 | 4N | 25g/bottle | |
| 248 |
Tellurium powder |
13494-80-9 | 4N | 25g/bottle | |
| 249 |
Copper powder |
7440-50-8 | AR/4N/5N | 25g/bottle | |
| 250 |
Boron powder |
7440-42-8 | 5N | 25g/bottle | |
| 251 |
Rhenium powder |
7440-15-5 | 4N | 25g/bottle | |
| 252 |
Nickel powder |
7440-02-0 | 4N | 25g/bottle | |
| 253 |
Niobium powder |
3N | 25g/bottle | ||
| 254 |
Molybdenum powder |
4N | 25g/bottle | ||
| 255 |
Tungsten powder |
7440-33-7 | 3N | 25g/bottle | |
| 256 |
Bismuth powder |
7440-69-9 | 5N | 25g/bottle | |
| 257 |
Antimony powder |
744-03-6 | 4N | 25g/bottle | |
| 258 |
Ganister sand |
7440-21-3 | 4N | 25g/bottle | |
| 259 |
Lead powder |
7439-92-1 | AR/3N/5N | 25g/bottle | |
| 260 |
Magnesium powder |
7439-95-4 | 3N | 25g/bottle |



