| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251028 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.38 | USD | 20251027 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251025 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251024 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.63 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1091.96 | USD | 20251020 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.33 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.33 | USD | 20251017 |