| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1081.06 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 1031.6 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 1201.18 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 1229.44 | USD | 20251208 |
| Wudi Xinyue Chem | China national standards | MT | 1116.62 | USD | 20251207 |
| Dongying HuataiChem | China national standards | MT | 1088.35 | USD | 20251207 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1088.35 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 989.41 | USD | 20251207 |
| Shandong Jinling Chem | China national standards | MT | 1088.35 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 1088.35 | USD | 20251207 |