Dongguan Techplus technology co.,ltd is a professional manufacture location in Fenggang town ,Dongguan City ,China . * 8000 square meter workshop * 150 well trained workers * 10 plastic injection machines * 8 production lines , 2 aging room * 6 years production experience * 3 years Vendor of Wal-mart * 5 rich experience R&D engineers , * ISO9001-2015 ,BSCI ,CE&ROHS&FCC certificated This is how we can keep good quality and low cost for global valued customers . Our main proudcts cover powerbank ,wireless charger, Bluetooth wireless earphone ,1- 200A battery pack ( E-bike battery pack , battery pack for power tool etc , 500/1000W portable UPS for outdoor . More informations about us , welcome visit : www.dg-techplus.com