| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.91 | USD | 20251017 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.68 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 873.3 | USD | 20251015 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |