online security technology(shenzhen) LTD was established in 2006 and has become a renowned organization over the years. Online Security Technology(shenzhen) Ltd is a leading supplier, buying house in China offering high quality Intercom,IP PBX,access control. Also, our success can be evaluated by considering our annual revenue of US$10 Million - US$50 Million. Currently, we are serving importers and buyers from South America 9% Africa 9% Eastern Asia 11% Domestic Market 12% North America 11% Eastern Europe 11% Southern Europe 11% Mid East 8% Northern Europe 9% Oceania 9% and accepting payments via T/T, Credit Card, PayPal. With a workforce of Above 1000 People we are able to facilitate and respond to our clients within 48h-72h.