| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | Silicon Micro | MT | 776.1 | USD | 20251103 |
| Jinan Jinrihe Chem | Ink Grade | MT | 776.1 | USD | 20251103 |
| Jinan Jinrihe Chem | Feed Grade | MT | 776.1 | USD | 20251103 |
| Jinan Jinrihe Chem | 1300 Mesh | MT | 832.55 | USD | 20251103 |
| Jinan Jinrihe Chem | Rubber Grade | MT | 818.43 | USD | 20251103 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 619.36 | USD | 20251102 |
| Shandong Junfeng | China national standards | MT | 366.82 | USD | 20251101 |
| Shandong Junfeng | HM-1170 | MT | 493.79 | USD | 20251101 |
| Jinan Lianxing | Rubber Grade | MT | 846.5 | USD | 20251031 |
| Hubei 789 Chem | Industrial Grade | MT | 846.5 | USD | 20251031 |