Shenzhen Wolf-Guard Security Hi-tech Co.,LTD belongs to Shenzhen Chitongda GROUP.We are leading company in China in field of security alarm system with:1,Factory since 1998;2,Integration of R&D,manufacture,sale,after service;3,CE/FCC/RoHS/ISO 9001 certified;4,Main products:GSM PSTN MMS SMS 3G SPOT emergency security alarm system ;5,Wolf-Guard is top 10 security brand in China;6, OEM/ODM service;We're looking for agent and dealer around the world,any inquiry or needs is welcomed!Contact Mr.Robin: Thanks,dear!