| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.12 | USD | 20251022 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 810.38 | USD | 20251022 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 768.1 | USD | 20251022 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 845.62 | USD | 20251022 |