| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Qingmai Environmental Protection Technology Co., Ltd. | China national standards | MT | 407.84 | USD | 20250922 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 323.46 | USD | 20250922 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 225.02 | USD | 20250922 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 295.33 | USD | 20250922 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 274.24 | USD | 20250922 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.37 | USD | 20250922 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.21 | USD | 20250922 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |