| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Jinling Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Jinmao | China national standards | MT | 1300.67 | USD | 20251204 |
| Shandong Lifuda | China national standards | MT | 1116.88 | USD | 20251204 |
| Shandong Jinmao | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 1336.01 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Junfeng | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Yuxuan Chem | China national standards | MT | 1215.84 | USD | 20251204 |