| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 1483.18 | USD | 20251202 |
| Dongying Huatai Chem | China national standards | MT | 1059.41 | USD | 20251202 |
| Shandong Laya Chem | China national standards | MT | 974.66 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1155.47 | USD | 20251202 |
| Shandong Lifuda | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 1000.58 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 1000.58 | USD | 20251201 |