| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.39 | USD | 20251117 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1066.14 | USD | 20251117 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.27 | USD | 20251117 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20251117 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 741.36 | USD | 20251117 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |