| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 748.24 | USD | 20251112 |
| Shandong Zhongke Taihua | China national standards | MT | 945.89 | USD | 20251112 |
| Baozhen Shandong Chem | China national standards | MT | 748.24 | USD | 20251112 |
| Jinan Jinrihe Chem | China national standards | MT | 698.83 | USD | 20251112 |
| Shandong Yushuo Chem | China national standards | MT | 741.18 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 747.89 | USD | 20251111 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Hanyue Chem | China national standards | MT | 705.56 | USD | 20251111 |
| Shandong Shuojia Chem | China national standards | MT | 747.89 | USD | 20251111 |