| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251128 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.78 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.78 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.63 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.63 | USD | 20251126 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.36 | USD | 20251125 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.36 | USD | 20251125 |