| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 1283.23 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.86 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1201.26 | USD | 20251201 |
| Jinan Xinbo Chem | China national standards | MT | 1158.86 | USD | 20251201 |
| Beijing Yanshan Petro | China national standards | MT | 1173.0 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 862.08 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 1052.87 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.21 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 866.32 | USD | 20251201 |