| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1075.18 | USD | 20251211 |
| Shandong Baishui Chem | China national standards | MT | 1145.91 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1102.43 | USD | 20251210 |