| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 977.41 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1265.72 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| China national standards | MT | 991.48 | USD | 20250922 | |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1005.54 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |