| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.07 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.07 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.32 | USD | 20251104 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.4 | USD | 20251101 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.4 | USD | 20251031 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.64 | USD | 20251030 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.97 | USD | 20251029 |
| 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 |