| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1030.03 | USD | 20251119 |
| Shandong Hongxin Chem | China national standards | MT | 888.93 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 1030.03 | USD | 20251119 |
| Hebei Risun | China national standards | MT | 959.48 | USD | 20251119 |
| Shandong Hongxin Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Changzhou Qidi Chem | China national standards | MT | 959.69 | USD | 20251118 |
| Shijiaz Bailong Chem | China national standards | MT | 839.73 | USD | 20251118 |
| Henan Zihe | China national standards | MT | 804.45 | USD | 20251118 |
| Zhenjiang UnionChem | China national standards | MT | 797.39 | USD | 20251118 |