| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | Rubber Grade | MT | 988.24 | USD | 20251112 |
| Jinan Jinrihe Chem | Silicon Micro | MT | 776.47 | USD | 20251112 |
| Jinan Jinrihe Chem | Ink Grade | MT | 776.47 | USD | 20251112 |
| Jinan Jinrihe Chem | Feed Grade | MT | 776.47 | USD | 20251112 |
| Jinan Jinrihe Chem | 1300 Mesh | MT | 832.95 | USD | 20251112 |
| Hubei 789 Chem | Industrial Grade | MT | 847.06 | USD | 20251112 |
| Hubei 789 Chem | Industrial Grade | MT | 847.06 | USD | 20251112 |
| Shandong Junfeng | HM-1170 | MT | 494.12 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 367.06 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 367.06 | USD | 20251112 |