| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1102.33 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.58 | USD | 20251130 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.51 | USD | 20251130 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.51 | USD | 20251130 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251130 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.58 | USD | 20251129 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251129 |