| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 869.21 | USD | 20251203 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 734.94 | USD | 20251203 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 734.94 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 968.14 | USD | 20251203 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.88 | USD | 20251203 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 929.98 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.92 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |