| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Nantong Zhonghe Chem | China national standards | MT | 931.34 | USD | 20251111 |
| Nantong Zhonghe Chem | China national standards | MT | 952.5 | USD | 20251111 |
| Shandong Hualu | China national standards | MT | 973.67 | USD | 20251111 |