| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chem | China national standards | MT | 1411.71 | USD | 20251107 |
| Shandong Haili Chem | China national standards | MT | 1199.95 | USD | 20251107 |
| Xinjiang Tianli Petro | China national standards | MT | 1270.54 | USD | 20251107 |
| Jinan Angxin Chem | China national standards | MT | 959.96 | USD | 20251107 |
| Jinan Angxin Chem | China national standards | MT | 959.96 | USD | 20251107 |
| Jinan Angxin Chem | China national standards | MT | 959.96 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 1101.14 | USD | 20251107 |
| Nanjing Guanshan Energy | China national standards | MT | 924.67 | USD | 20251107 |
| Shandong Hualu | China national standards | MT | 938.79 | USD | 20251107 |
| Shandong Hualu | China national standards | MT | 931.73 | USD | 20251107 |