| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1414.71 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Baishui Chem | China national standards | MT | 1145.91 | 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 Jinmao | China national standards | MT | 1301.53 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1485.44 | USD | 20251211 |