| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.05 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1879.25 | USD | 20251209 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.86 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.78 | USD | 20251209 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.78 | USD | 20251209 |