| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1185.1 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1107.51 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1183.87 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1106.72 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1106.43 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1183.95 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1183.63 | USD | 20251016 |