| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 860.9 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Shuojia Chem | Industrial Grade | MT | 846.79 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 790.34 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 804.45 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 846.79 | USD | 20251118 |