| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1199.21 | USD | 20251101 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.04 | USD | 20251101 |
| Shandong Mingyu | China national standards | MT | 1051.07 | USD | 20251101 |
| Shandong Junfeng | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1100.45 | USD | 20251101 |
| Jinan Qi Mat | China national standards | MT | 907.17 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 931.15 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 907.17 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 987.58 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 917.04 | USD | 20251101 |