| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.33 | USD | 20251111 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.43 | USD | 20251110 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.62 | USD | 20251107 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.62 | USD | 20251107 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.34 | USD | 20251106 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.0 | USD | 20251105 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.15 | USD | 20251104 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.33 | USD | 20251103 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.2 | USD | 20251101 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.2 | USD | 20251031 |