| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.01 | USD | 20251012 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.01 | USD | 20251011 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.87 | USD | 20251009 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20251008 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20251007 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20251006 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20251005 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20250930 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.73 | USD | 20250928 |