| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.69 | USD | 20251126 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.61 | USD | 20251125 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.55 | USD | 20251124 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.48 | USD | 20251122 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.48 | USD | 20251121 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.4 | USD | 20251120 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.61 | USD | 20251115 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.5 | USD | 20251113 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.59 | USD | 20251112 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 190.5 | USD | 20251111 |