| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 908.27 | USD | 20251202 |
| Shanghai Guoke | China national standards | MT | 1282.59 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.91 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 889.91 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.78 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 960.53 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 865.89 | USD | 20251202 |
| Shandong Zhiheng | China national standards | MT | 908.27 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 1172.42 | USD | 20251202 |