King Pigeon Hi-Tech. Co., Ltd is a professional GSM Alarms, Home Alarm, Wireless Alarm, Security System, GSM Alarm Systems, GSM SMS Alarm, GSM SMS Controller, Wireless GSM Home Alarm system, GSM Elderly Guarder, Senior Care, GSM 3G Senior Telecare, GSM 3G Senior Healthcare, GSM Indutrial Alarm, GSM GPRS Telemetry, GSM GPRS 3G M2M, GSM GPRS 3G RTU Automation, GSM GPRS 3G Telemetry Data Logger OEM ODM Manufacturer for 10 Years already in China, we have 60 Engineers and 80% of them with more than 20Years development experiences in RF products. We carry out a multi-stage quality management system: Incoming Quality Control (IQC); In-process Quality Control (IPQC); Outgoing Quality Control (OQC); After-sales support for our customers.