| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.71 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.71 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.15 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.15 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.36 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.36 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.8 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.8 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.8 | USD | 20251017 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.8 | USD | 20251017 |