| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 734.46 | USD | 20260114 |
| Jinan Angxin Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 891.27 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 926.63 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 990.3 | USD | 20251211 |