| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.83 | USD | 20250930 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.54 | USD | 20250929 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 616.99 | USD | 20250926 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.81 | USD | 20250925 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.81 | USD | 20250924 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.81 | USD | 20250923 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.39 | USD | 20250922 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.2 | USD | 20250920 |
| Wuhan Hengjiu Chem | Rubber Grade | MT | 617.57 | USD | 20250918 |