| | Burkert 424012ASS传感器/件; 350 PSI MAS，传感器模块SS 1“NPT | 64 | ￥6450.00 | ￥6450.00 | | ￥6450.00 |  |
| | I-Chem 316-1000BPC-RWD 1L HDPE矩形罐，已认证，散装 I-Chem 1L HDPE Oblong Certified Bulk | 16 | ￥1684.00 | ￥1684.00 | | ￥1684.00 | |
| | Burkert 424015DSS传感器/件; 350 PSI MAS，传感器模块SS 2“npt | 86 | ￥8690.00 | ￥8690.00 | | ￥8690.00 | |
