| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1097.74 | USD | 20251001 |
| Qingdao Chengxin Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Qingdao Chengxin Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Shandong Yuxuan Chem | China national standards | MT | 1336.99 | USD | 20250930 |
| Nanjing Runhua Chem | China national standards | MT | 1111.81 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1090.7 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1090.7 | USD | 20250930 |
| Sinopec | China national standards | MT | 1090.7 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1090.7 | USD | 20250930 |
| Shandong Lifuda | China national standards | MT | 1090.7 | USD | 20250930 |