| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1086.71 | USD | 20251118 |
| Dongying Huatai Chem | China national standards | MT | 1086.71 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 1411.31 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1157.28 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1114.94 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 1552.44 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1481.88 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1481.88 | USD | 20251118 |