| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 867.2 | USD | 20251023 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 866.76 | USD | 20251022 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 958.11 | USD | 20251020 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 873.57 | USD | 20251020 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.56 | USD | 20251020 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |