| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 931.15 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 931.15 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 1199.21 | USD | 20251101 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.04 | USD | 20251101 |
| Shiyou Yangzhou Chem | China national standards | MT | 907.17 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1241.53 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 917.04 | USD | 20251101 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1156.88 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 907.17 | USD | 20251101 |
| Shandong Xima | China national standards | MT | 888.83 | USD | 20251101 |