Since the foundation in 1995, Zhejiang Lierd Relays Enterprise Co., Ltd. has been engaged in designing, developing and producing solid state relays, miniature electromagnetic relays, power relays, time relays and switching power supplies (smps). Besides, we also manufacture digital ammeters and voltmeters, counters, liquid-level controllers, photoelectric switches, relay sockets, lances, automatic control equipment, power supplies, automobile electrical appliances, communication equipment, ...