| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.33 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.24 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.54 | USD | 20251117 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.42 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.54 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 734.3 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 734.3 | USD | 20251117 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 734.3 | USD | 20251117 |