| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 282.17 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.93 | USD | 20251031 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.25 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 281.87 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.53 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 281.97 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 380.66 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.36 | USD | 20251021 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 338.27 | USD | 20251017 |