| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 619.54 | USD | 20251014 |
| Shandong Yihe Chem | China national standards | MT | 535.05 | USD | 20251014 |
| Shandong Yihe Chem | China national standards | MT | 528.01 | USD | 20251014 |
| Shanghai Guoke | China national standards | MT | 711.06 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 506.89 | USD | 20251014 |
| Shandong Junfeng | China national standards | MT | 619.54 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong LuoHeng Chem | China national standards | MT | 577.29 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 506.89 | USD | 20251014 |