| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chemical Co., Ltd. | China national standards | MT | 1111.08 | USD | 20251009 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.02 | USD | 20251009 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1068.89 | USD | 20251009 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 808.7 | USD | 20251009 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1111.81 | USD | 20251008 |