| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | Rubber Grade | MT | 990.3 | USD | 20251211 |
| Shandong Junfeng | HM-1170 | MT | 495.15 | USD | 20251211 |
| Jinan Jinrihe Chem | Silicon Micro | MT | 777.35 | USD | 20251210 |
| Jinan Jinrihe Chem | Ink Grade | MT | 777.35 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 367.48 | USD | 20251210 |
| Jinan Jinrihe Chem | Feed Grade | MT | 777.35 | USD | 20251210 |
| Jinan Jinrihe Chem | Agrochemical Grade | MT | 777.35 | USD | 20251210 |
| Jinan Jinrihe Chem | Rubber Grade | MT | 819.75 | USD | 20251210 |
| Jinan Lianxing | Rubber Grade | MT | 848.02 | USD | 20251210 |
| Shandong Longhui Chem | Rubber Grade | MT | 989.36 | USD | 20251210 |