| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 678.17 | USD | 20251127 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 678.0 | USD | 20251126 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.72 | USD | 20251125 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.52 | USD | 20251124 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.25 | USD | 20251122 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.25 | USD | 20251121 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 676.96 | USD | 20251120 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.73 | USD | 20251115 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.34 | USD | 20251113 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 677.65 | USD | 20251112 |