| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1189.95 | USD | 20251201 |
| Shinghwa AdvMat | China national standards | MT | 1215.39 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1123.53 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Befar | China national standards | MT | 890.35 | USD | 20251201 |
| Wanhua Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Junfeng | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1144.73 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1144.73 | USD | 20251201 |