| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1114.56 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1114.56 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.4 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.77 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.77 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251017 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |