| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.07 | USD | 20251024 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.64 | USD | 20251022 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.04 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.32 | USD | 20251020 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.72 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.72 | USD | 20251017 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.4 | USD | 20251016 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1178.52 | USD | 20251014 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1178.76 | USD | 20251013 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1178.08 | USD | 20251012 |