| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.54 | USD | 20251202 |
| Derun Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1066.47 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.53 | USD | 20251202 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.89 | USD | 20251201 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |