| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 |
| Weifang Shuoxin Chemical Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 |
| Weifang Mingbo Chemical Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.95 | USD | 20251029 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.89 | USD | 20251029 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.78 | USD | 20251029 |