Tianqin have Dongguan and Shenzhen 2 manufacturers ,Shenzhen factory deal with the designing and trial order produciton ,Dongguan factory deal with the mass production ,main products contain kinds of AC/DC power adapters, USB chargers, those products can be used for consumer electronics ,CCTV camera ,set-up box ,AV&TV devices ,and medical devices. after 12 years development ,we have accumulated good experiences for designing and production, and have got UL/CUL FCC TUV CE ROHS CB RCM BIS PSE certificates, Tianqin have 5 professional engineers to improve the products quality and production artwork and continued provide customers reliable products with competitive price .With all of the Tianqin staffs efforts for years ,we have 1500 square meter and 5 production lines with 200,000pcs capacity for every month, Quality is the top priority here at Tianqin, we always make lots of testing for components , the power adapters will be tested 5 times before shipment ,all production reports can be stocked by multi testing machine and age testing machine .Our customers are come from all over the world, especially in the USA, Europe ,Brazil ^.If you decide to cooperated with us ,we will provide good products and best service for you .