| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251018 |