| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1030.55 | USD | 20251107 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 861.14 | USD | 20251107 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 860.79 | USD | 20251106 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1030.13 | USD | 20251106 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 930.88 | USD | 20251105 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 860.35 | USD | 20251105 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1029.6 | USD | 20251105 |