| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.99 | USD | 20251013 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.6 | USD | 20251012 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.6 | USD | 20251011 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.09 | USD | 20251009 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.53 | USD | 20251008 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.53 | USD | 20251007 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.53 | USD | 20251006 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.53 | USD | 20251005 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.53 | USD | 20250930 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.21 | USD | 20250929 |