| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251113 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.46 | USD | 20251113 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251113 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1100.68 | USD | 20251113 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251113 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.68 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.95 | USD | 20251112 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1101.18 | USD | 20251112 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |