| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 951.98 | USD | 20251120 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 952.42 | USD | 20251119 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1094.39 | USD | 20251117 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251115 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1094.25 | USD | 20251114 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.63 | USD | 20251113 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.61 | USD | 20251111 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251110 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1094.08 | USD | 20251107 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.63 | USD | 20251106 |