| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 688.32 | USD | 20250826 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 744.51 | USD | 20250826 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 688.32 | USD | 20250826 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 849.86 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 863.91 | USD | 20250826 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 702.37 | USD | 20250826 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 772.6 | USD | 20250826 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 758.55 | USD | 20250826 |