| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.15 | USD | 20251119 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2202.89 | USD | 20251117 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2202.61 | USD | 20251114 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.34 | USD | 20251111 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.65 | USD | 20251110 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2202.27 | USD | 20251107 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.37 | USD | 20251106 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2200.25 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2200.75 | USD | 20251104 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 2201.31 | USD | 20251103 |