| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 1624.91 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 1568.39 | USD | 20251209 |
| Dongying Hebang Chem | China national standards | MT | 1356.45 | USD | 20251209 |
| Jinan Qi Mat | China national standards | MT | 1526.01 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 1568.39 | USD | 20251209 |
| Dongying Lianchem | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 1568.39 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 1511.88 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 1554.46 | USD | 20251208 |