| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.54 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.13 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |