| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1875.14 | USD | 20251024 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 845.93 | USD | 20251024 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1071.66 | USD | 20251023 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1099.86 | USD | 20251023 |