| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1072.31 | USD | 20251122 |
| Shandong Jinling Chem | China national standards | MT | 1340.39 | USD | 20251122 |
| Shandong Jiaen Chem | China national standards | MT | 1180.95 | USD | 20251122 |
| Shandong Yuxuan Chem | China national standards | MT | 1241.62 | USD | 20251122 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251122 |
| Shandong Xingpeng Chem | China national standards | MT | 1079.37 | USD | 20251122 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251122 |
| Shandong Yaowang Chem | China national standards | MT | 1185.19 | USD | 20251122 |
| Hangjin Tech | China national standards | MT | 1015.87 | USD | 20251122 |
| Shandong Aite Chem | China national standards | MT | 1142.86 | USD | 20251121 |