| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.92 | USD | 20251028 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.92 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.26 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 239.92 | USD | 20251028 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 296.38 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.26 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |