| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin Chem | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Hongxin Chem | China national standards | MT | 1031.23 | USD | 20251128 |
| Hubei 789 Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Henan Zihe | China national standards | MT | 791.08 | USD | 20251128 |
| Hubei 789 Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 932.35 | USD | 20251128 |
| Shijiaz Bailong Chem | China national standards | MT | 1031.23 | USD | 20251128 |
| Lihuayi Shandong | China national standards | MT | 1031.23 | USD | 20251128 |
| Shijiaz Bailong Chem | China national standards | MT | 840.53 | USD | 20251128 |
| Tongling ChemInd | China national standards | MT | 798.15 | USD | 20251128 |