| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.1 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.01 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.62 | USD | 20251125 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.36 | USD | 20251124 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 902.62 | USD | 20251120 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.24 | USD | 20251118 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.75 | USD | 20251117 |