| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yifei | China national standards | MT | USD | 20251201 | |
| Huaye Qingdao Energy | Industrial Grade | MT | USD | 20251201 | |
| Baozhen Shandong Chem | China national standards | MT | USD | 20251201 | |
| Changzhou Juyun Mat | China national standards | MT | USD | 20251129 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251129 | |
| Shandong Xima | China national standards | MT | USD | 20251129 | |
| Zibo Qixing | China national standards | MT | USD | 20251128 | |
| Qingzhou Hengxing | China national standards | MT | USD | 20251128 | |
| Zibo Shengyang | China national standards | MT | USD | 20251128 | |
| Linyi Yiliheng | China national standards | MT | USD | 20251128 |
