| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 993.67 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |