| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 954.02 | USD | 20251210 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.75 | USD | 20251209 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 954.08 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 954.29 | USD | 20251204 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.47 | USD | 20251202 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.54 | USD | 20251129 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.54 | USD | 20251128 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 953.44 | USD | 20251126 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 952.76 | USD | 20251124 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 952.38 | USD | 20251122 |