| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin Chem | China national standards | MT | 1030.26 | USD | 20251118 |
| Jinan Shengfeng | China national standards | MT | 875.01 | USD | 20251118 |
| Tongling ChemInd | China national standards | MT | 832.67 | USD | 20251118 |
| Henan Zihe | China national standards | MT | 804.45 | USD | 20251118 |
| Shandong Hongxin Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 931.47 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Hongxin Chem | China national standards | MT | 931.47 | USD | 20251118 |
| Shandong Hongxin Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 1030.26 | USD | 20251118 |