| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.66 | USD | 20251110 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.93 | USD | 20251107 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.75 | USD | 20251107 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.62 | USD | 20251106 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.78 | USD | 20251106 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.6 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 331.45 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.6 | USD | 20251105 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.68 | USD | 20251104 |