| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1282.99 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 757.11 | USD | 20251025 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 757.11 | USD | 20251025 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.11 | USD | 20251025 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1099.71 | USD | 20251025 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.51 | USD | 20251025 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 803.63 | USD | 20251024 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.11 | USD | 20251024 |