| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chem | China national standards | MT | 961.01 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Shanghai Juexin | China national standards | MT | 988.85 | USD | 20251130 |