| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinmao | China national standards | MT | 1058.48 | USD | 20251118 |
| Dongying Huatai Chem | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Jinling | China national standards | MT | 1136.11 | USD | 20251118 |
| Dongying Huatai Chem | China national standards | MT | 1086.71 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1481.88 | USD | 20251118 |
| Sinopec | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.5 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1100.82 | USD | 20251118 |