| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 999.53 | USD | 20251112 |
| Shandong Yuxuan Chem | China national standards | MT | 1256.48 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Yihe Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Xima | China national standards | MT | 917.65 | USD | 20251112 |
| Dongying Huatai Chem | China national standards | MT | 1072.95 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 1058.83 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 1255.89 | USD | 20251111 |
| Shandong LuoHeng Chem | China national standards | MT | 1933.23 | USD | 20251111 |
| Shandong Junfeng | China national standards | MT | 1058.34 | USD | 20251111 |