GRKJ(300600.SZ)

Changshu Guorui Technology Co.,Ltd. engages in the research, development, production, and sale of marine and marine engineering electrical and automation systems in China. The company offers circuit breakers, film capacitance, LV and MV switchboard and control, power, box counter, monitoring alarm, navigation control, valve drive, automation, and system integration products. It also provides software customization, simulation design, and circuit board function customization service; vibration, temperature and humidity, temperature rise, tension, salt spray, and rain test, as well as temperature humidity vibration comprehensive experimental platform, Sweden hexagon three coordinates measuring instrument, 3d scanner, electromagnetic compatibility EMC; sheet metal processing, machining, and material surface treatment service; and after-sale service.