| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.1 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.95 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.95 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.73 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.73 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 852.17 | USD | 20251015 |