| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 840.52 | USD | 20250820 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.52 | USD | 20250820 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 854.53 | USD | 20250820 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1008.63 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.66 | USD | 20250820 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1092.68 | USD | 20250820 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1092.68 | USD | 20250820 |