| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1045.26 | USD | 20251126 |
| Shandong Mingyu | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Mingyu | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Xingpeng Chem | China national standards | MT | 1080.57 | USD | 20251126 |
| Shandong Zhiheng | China national standards | MT | 1172.38 | USD | 20251126 |
| Shandong Mingyu | China national standards | MT | 1214.76 | USD | 20251126 |
| Nantong Zhonghe Chem | China national standards | MT | 1031.13 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 1189.33 | USD | 20251126 |
| Shandong Yuxuan Chem | China national standards | MT | 1243.01 | USD | 20251126 |
| Shandong Zhiheng | China national standards | MT | 1130.01 | USD | 20251126 |