| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.49 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.49 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 233.22 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 233.22 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 234.63 | USD | 20251205 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 325.09 | USD | 20251205 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 310.96 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.69 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.69 | USD | 20251205 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 508.84 | USD | 20251205 |