| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 861.18 | USD | 20251112 |
| Jinan Jinhao Chem | China national standards | MT | 1115.3 | USD | 20251112 |
| Shandong Yihe Chem | China national standards | MT | 790.59 | USD | 20251112 |
| Wanhua Yantai | China national standards | MT | 896.47 | USD | 20251112 |
| Wanhua Yantai | China national standards | MT | 818.83 | USD | 20251112 |
| Formosa Ningbo | China national standards | MT | 988.24 | USD | 20251112 |
| Jinan Qi Mat | China national standards | MT | 1030.59 | USD | 20251112 |
| Jinan Aochen Chem | China national standards | MT | 1200.01 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |