| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20260104 | |
| Shandong Zhiheng | China national standards | MT | USD | 20260104 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251231 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251231 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251230 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251230 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251229 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251229 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251226 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251225 |