| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.43 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.08 | USD | 20251203 |