HanSi Technology (Shenzhen) CO., LTD is a high-tech company specialized in researching,producing,selling RF remote control,controller,rf receiver module,smart home alarm & control systems.We have our own brand and patented product,our main clients spread Middle East,Europe,America,South America&Oceania.We strictly execute IOS9001 quality management system in our daily work.All our products certified with CE & ROSH. Over 200 models available,also OEM & ODM are welcome.