| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | 85% | MT | 964.69 | USD | 20251013 |
| Baozhen Chemical (Shandong) Co., Ltd. | 85% | MT | 1049.19 | USD | 20251013 |
| Baozhen Chemical (Shandong) Co., Ltd. | 85% | MT | 964.14 | USD | 20251011 |
| Baozhen Chemical (Shandong) Co., Ltd. | 85% | MT | 1048.59 | USD | 20251011 |