| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1556.18 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1457.15 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1117.62 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1061.03 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1485.44 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1457.15 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |