Your trusted engineers for Sciex instrument repairs

Our team

Our team of professional engineers is trained specifically to handle SCIEX equipment, guaranteeing the highest level of care and precision.

Our engineers are the best

Tyvion has 14 professional engineers, the largest among the third-party maintenance forces in USA. Among them, there are 5 original expert engineers with more than 10 years of experience, accounting for more than one-third of the entire team.

Meet the team

Chen Yunhua CEO

Has been engaged in the repair and maintenance of analytical instruments for 20 years. He had worked as a maintenance manager for SCIEX in the East China region for nearly 10years, mainly repairing the mass spectrometry of AB Sciex.

Liu Kai Engineer

Engaged in analytical instrument maintenance for more than 15 years, formerly served as a technical expert in SCIEX Asia Pacific region, mainly repairing the mass spectrometry of AB Sciex, Varian GC/GCMS/LC/LCMS.

Zhang YanchaoEngineer

He has great working experiences in several analytical instrument companies. He has rich maintenance experience and verification services for AB Sciex LCMS, Shimadzu LC, etc.

Qi ChunmingEngineer

Engaged in analytical instrument maintenance for more than 15 years, formerly served as a technical expert in SCIEX Asia Pacific region, mainly repairing the mass spectrometry of AB Sciex, Varian GC/GCMS/LC/LCMS.

Gao MingyiEngineer

He has many years of experience in repairing analytical instruments and skilled in various fields of repair and maintenance of instruments for AB Sciex LCMS, Shimadzu LC and Waters LC and LCMS.

Wang MenghaoEngineer

He has many years of experience in repairing analytical instruments and skilled in various fields of repair and maintenance of instruments for AB Sciex LCMS and Waters LC and LCMS.

Wei XinhuaEngineer

Worked in equipment hardware maintenance at Wuhan Iron and Steel Quality Inspection for 17 years, repairing equipment including: Science, Thermoelectric; German and French inverters and computer software and hardware.

Yin LigangEngineer

Worked in analytik-jena and PE for 10 years, mainly repairing atomic absorption, ICP, ICPMS.

Li HehuiEngineer

He has several years of experience working in end customer laboratories, proficient in maintenance and repair of LC & LCMS; he has extensive experience in developing instrument application methods.