| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 766.91 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.02 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.45 | USD | 20250906 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 925.93 | USD | 20250906 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.89 | USD | 20250906 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250906 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.03 | USD | 20250906 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.88 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.88 | USD | 20250906 |