| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 833.98 | USD | 20250807 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 826.97 | USD | 20250807 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 855.0 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.92 | USD | 20250807 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1093.28 | USD | 20250807 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 840.98 | USD | 20250807 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.24 | USD | 20250807 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.27 | USD | 20250807 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1093.28 | USD | 20250807 |