| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251028 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1099.71 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |