| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 848.07 | USD | 20251205 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 876.34 | USD | 20251205 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1074.22 | USD | 20251205 |
| Derun Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 848.07 | USD | 20251205 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1879.89 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251205 |