| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 873.57 | USD | 20251020 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 958.11 | 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 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.91 | USD | 20251017 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.68 | 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 |