| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 1282.59 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.91 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.29 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.78 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 1059.41 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 974.66 | USD | 20251202 |
| Unknown | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 932.28 | USD | 20251202 |