| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 787.05 | USD | 20250928 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 646.5 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.16 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250928 |