| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou Yangzhou Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1116.56 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 848.02 | USD | 20251210 |
| Shanghai Guoke | China national standards | MT | 1283.34 | USD | 20251210 |
| Sinopec | China national standards | MT | 840.95 | USD | 20251210 |