| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.87 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.87 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |