| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 813.46 | USD | 20251211 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1032.74 | USD | 20251211 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 812.69 | USD | 20251210 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 812.46 | USD | 20251209 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.6 | USD | 20251208 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 812.56 | USD | 20251208 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |