| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Hualu | China national standards | MT | 763.15 | USD | 20251201 |
| Jinan Qi Mat | China national standards | MT | 763.15 | USD | 20251201 |
| Jinan Qi Mat | China national standards | MT | 762.83 | USD | 20251130 |
| Jinan Qi Mat | China national standards | MT | 762.83 | USD | 20251130 |
| Shandong Haili Chem | China national standards | MT | 762.83 | USD | 20251130 |
| Luxi Chem | China national standards | MT | 1285.51 | USD | 20251130 |
| Jining Zhongyin EC | China national standards | MT | 762.83 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 988.85 | USD | 20251130 |