Shenzhen shuangshengda technology co.,ltd is one of the most professional manufactures specializied R&Dand producing tablet PC and laptop laocated in shenzhen of china.Coverring an area of 3000 square meters, 150-200 workes work on production lines. production capacity reaches12000-15000 units per month.5 engineers focus on R&D private models attract much among different markets,We have won higt requtation overseas Production Equipped with professional precise device, Lithium battery comprehensive tester,Ageing test shelf ,Hot shrink file device,Package device,Dust-free TP roomTo meet different requirement from customers all over th world .CE.FCC.ROHS. GMS certificates much important