| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 1201.18 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 1257.7 | USD | 20251208 |
| Qingdao Xupu | China national standards | MT | 1031.82 | USD | 20251207 |
| Shandong Daoqin Chem | China national standards | MT | 1201.43 | USD | 20251207 |
| Shandong Qiangsen Chem | China national standards | MT | 1257.97 | USD | 20251206 |
| Shanghai Juexin | China national standards | MT | 1074.22 | USD | 20251206 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1088.35 | USD | 20251206 |
| Shanghai Xianyue | China national standards | MT | 1041.71 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1031.82 | USD | 20251205 |