| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251128 |