| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | Silicon Micro | MT | 774.57 | USD | 20251013 |
| Jinan Jinrihe Chem | Agrochemical Grade | MT | 774.57 | USD | 20251013 |
| Jinan Jinrihe Chem | Rubber Grade | MT | 774.57 | USD | 20251013 |
| Jinan Jinrihe Chem | 1300 Mesh | MT | 774.57 | USD | 20251013 |
| Shandong Junfeng | HM-1170 | MT | 492.91 | USD | 20251013 |
| Shandong Junfeng | China national standards | MT | 366.16 | USD | 20251013 |
| Jinan Xinhou | China national standards | MT | 816.35 | USD | 20251011 |
| Jinan Xinhou | HM-1170 | MT | 745.97 | USD | 20251011 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.89 | USD | 20251011 |
| Shandong Junfeng | China national standards | MT | 365.95 | USD | 20251011 |