| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.16 | USD | 20250812 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.12 | USD | 20250812 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 854.13 | USD | 20250812 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1092.16 | USD | 20250812 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1008.15 | USD | 20250812 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1092.16 | USD | 20250812 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.16 | USD | 20250812 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.35 | USD | 20250811 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 966.32 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.26 | USD | 20250811 |