| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 794.07 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 948.67 | USD | 20250926 |
| Shandong Daoqin Chem | China national standards | MT | 955.7 | USD | 20250926 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Wells Chem | China national standards | MT | 816.25 | USD | 20250925 |
| Qingdao Chengxin Chem | China national standards | MT | 788.1 | USD | 20250925 |
| Guangzhou Tianyue Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Guangzhou Tianyue Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Guang Longyu Chem | China national standards | MT | 1336.95 | USD | 20250925 |
| Shandong Wells Chem | China national standards | MT | 816.25 | USD | 20250925 |