Shenzhen Ressan Technology Co. LTD is a high tech enterprises which is specialized in researching,designing producing and marketing high level smart and bluetooth products.,br>brOur one-up R>D department trained talents top level QC staffs, dust-free workshop fashionable design ,good quality and after-sale service make our products have been accepted and known by a wide range of customers in many countries and regions,brincluding the UK> USA Brazil, Philippine Sweden, Canada Japan and Africa, and Ressan continuously strengthen its innovativeness and strives for bigger market share.br