Expec Technology liquid chromatography-mass spectrometry platform includes multiple products of triple quadrupole mass spectrometer, including LC-MS/MS, GC/LC-MS/MS, to create high-end domestic chromatography-mass spectrometry products. Combined with online, mobile, fully automatic and other application requirements, we have launched customized products such as online water quality monitoring, mobile monitoring, and fully automatic online SPE, which have excellent performance and reliability and can meet the analysis and application requirements in different fields such as food, medicine, clinical, environment, judicial identification, and emergency safety.