| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Tech | China national standards | MT | 1013.3 | USD | 20251002 |
| Hangjin Tech | China national standards | MT | 1013.3 | USD | 20251001 |
| Shandong Xingpeng Chem | China national standards | MT | 1076.63 | USD | 20251001 |
| Qingdao Chengxin Chem | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 1294.77 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1203.29 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1203.29 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1203.29 | USD | 20250930 |
| Shinghwa AdvMat | China national standards | MT | 1203.29 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1203.29 | USD | 20250930 |