| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1244.12 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1095.67 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1123.94 | USD | 20251204 |
| Befar | China national standards | MT | 1116.88 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying HuataiChem | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1145.15 | USD | 20251204 |
| Aite Zhejiang | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1145.15 | USD | 20251204 |
| Shandong Xingpeng Chem | China national standards | MT | 1081.53 | USD | 20251204 |