Shenzhen Mario Technology Co., Ltd located in shenzhen, China,is a high-tech enterprise which include development ,production and marketing of Electronic products .We got ISO9001 : 2000 certified facilities,all products are CE/ FCC certified . All of our products have passed IQC, QC, QA strict quality test , before dispatch the products, they all had gone through all kinds of tests, such as aging test, all functions test and so on .Our main product include With rich experience in this field ,we have excellent engineer team ,advanced development team ,professional sales team ,outstanding technical support and good after-sale team for various GPS Personal tracker ,GPS vehicle device . Car DVR ,Android TV box ,Smart watch . We always insist on the enterprise aim of " superior quality, competitive ,good after-sale service " , Our achievements have also won a high reputation among clients ,up to now, our products are widely exported to international market,such as: North America,South America, South Africa, Europe, Middle East,Asia and so on !We can support OEM and ODM businesses. can provide customized devices, logo , package and instruction manuals .If any product can have your interest ,please do not hesitant to contact us ! we will supply best support for you .Your satisfaction is our aim and pursuit !