| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | Silicon Micro | MT | 774.94 | USD | 20251020 |
| Jinan Jinrihe Chem | Ink Grade | MT | 774.94 | USD | 20251020 |
| Jinan Jinrihe Chem | Feed Grade | MT | 774.94 | USD | 20251020 |
| Hubei 789 Chem | Industrial Grade | MT | 845.39 | USD | 20251020 |
| Hubei 789 Chem | Industrial Grade | MT | 845.39 | USD | 20251020 |
| Shandong Junfeng | China national standards | MT | 366.34 | USD | 20251020 |
| Shandong Junfeng | HM-1170 | MT | 493.15 | USD | 20251020 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 618.55 | USD | 20251020 |
| Jinan Jinrihe Chem | Silicon Micro | MT | 775.2 | USD | 20251017 |
| Jinan Jinrihe Chem | Rubber Grade | MT | 775.2 | USD | 20251017 |