| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 975.07 | USD | 20251208 |
| Nanjing Waien Chem | China national standards | MT | 925.61 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 911.48 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1088.12 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Yangmei Taihua Coke | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 918.74 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 904.61 | USD | 20251207 |