| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Wuhan Hengjiu Chem | ≥99.5%|Industrial grade|First-grade product | MT | USD | 20251209 | |
| Guangzhou Tianyue Chem | ≥99.5%|Industrial grade|First-grade product | MT | USD | 20251209 | |
| Shandong Hongyang Chem | ≥99.5%|Industrial grade|First-grade product | MT | USD | 20251209 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210323 |