| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.43 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.5 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.43 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.49 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.49 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.56 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.56 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.55 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.55 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.62 | USD | 20251204 |