Guestgood

GuestGood (Shanghai) Technology Co., Ltd. (Guestgood) is an analog IC company focused on industrial signal interface and conversion chips. The company develops products that help simplify system design and improve signal conversion efficiency in industrial control, measurement, and compact automation applications. Its product portfolio includes industrial analog interface ICs covering 4–20mA, 0–10V, ±10V, APC/PAC, ADC/DAC, True RMS, VI conversion, analog-to-PWM conversion, dimming, speed control, color temperature adjustment, and application-specific analog chips. These products are suitable for PLC interfaces, transmitters, LED dimming systems, motor speed control, industrial acquisition modules, and smart control terminals. Guestgood positions its products around practical engineering needs, especially in industrial analog signal conversion scenarios where reliability, integration, and ease of adoption are important.