| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 367.06 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 367.06 | USD | 20251112 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 619.77 | USD | 20251112 |
| Jinan Jinrihe Chem | 1300 Mesh | MT | 832.56 | USD | 20251111 |
| Jinan Jinrihe Chem | Feed Grade | MT | 776.11 | USD | 20251111 |
| Jinan Jinrihe Chem | Ink Grade | MT | 776.11 | USD | 20251111 |
| Jinan Jinrihe Chem | Silicon Micro | MT | 776.11 | USD | 20251111 |
| Jinan Jinrihe Chem | Agrochemical Grade | MT | 776.11 | USD | 20251111 |
| Shandong Junfeng | China national standards | MT | 366.89 | USD | 20251111 |
| Hubei 789 Chem | Industrial Grade | MT | 846.67 | USD | 20251111 |