Ningbo Songle Relay Co.,ltd,is a Joint Venture which is specializing in Producing micro-electromagnetism realys more than 20 years.Mostof Songle’s relays have "UL" TUV" "CQC" certifications,and "IECQ" certification.Under,the ISO9001 rules,all kinds of relays meet our cooperator of many manufactures in vehicle electrical equipment,household appliance,communication equipment and Industrial Zone.Our company covers 30000,square meters ground and 50000 square meters workshop,with forty advanced and standard lines.It incorporates design,mould making,plastics and metal processing as an organic whole.