| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.35 | USD | 20251030 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.55 | USD | 20251029 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.43 | USD | 20251028 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.74 | USD | 20251024 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.84 | USD | 20251023 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.49 | USD | 20251022 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.72 | USD | 20251021 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.54 | USD | 20251018 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.1 | USD | 20251015 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.86 | USD | 20251014 |