Ying is in charge of maintenance, service and repair of testing instruments and research equipment including electronics, vacuum systems, computer-based systems, mechanical testing equipment, etc. She help you with your electrical circuitry and electronics problems. She can also assist you to design test instruments to meet your specific research needs. She is also responsible for the operation of the SEM and X-Ray diffraction facilities in room 2219. Anyone wishing to use these facilities must be trained and approved by her before using the equipment. Ying also spends a lot of her time in (MC)².