| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 1108.85 | USD | 20251202 |
| ZJ Huguang Tech | China national standards | MT | 1017.04 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1108.85 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| ZJ Huguang Tech | China national standards | MT | 1017.04 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 1074.07 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 989.27 | USD | 20251201 |