| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.77 | USD | 20251112 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1030.59 | USD | 20251112 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 847.06 | USD | 20251112 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1030.11 | USD | 20251111 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.34 | USD | 20251111 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251110 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251110 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 931.73 | USD | 20251109 |