k. F is specializing in the developing, manufacturing, marketing of products for gsm alarm system and wirless and wired alarm system. Such as intelligent home alarm, GSM Industry Alarm System, Telephone Alarm System, Monitoring Center, Detectors, video doorphone, car alarm, anti-theft alarms, personal alarms, gas detectors and fire alarms for alarm system. With strong design, manufacturing ability and high quality management level, we have got RoHs, ISO9001, 2000, CCC, CE, UL certificates. Find a good partner for yourself, give us a call or email us. We are ready to provide you with one-stop-purchasing service with good quality, best price and super service.