| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 872.98 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 851.86 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |