| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1399.12 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1173.0 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1059.94 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1300.19 | USD | 20251201 |
| Dongying Huatai Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1384.98 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1158.86 | USD | 20251201 |
| Dongying Huatai Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Jinmao | China national standards | MT | 1300.19 | USD | 20251201 |