EQCM use QCM crystals, some called QCM sensor.
We do customize electrodes, such as Mo coating, Fe, coating, Cu/Ti/SiO2 electrodes and so on.
We also have many size for QCM use crystals, not ony for QCM-D, QCM200, also for many other QCM equipments.
We have all frequency from 5MHz to 30MHz.