Shenzhen Bi-Win Electronic Co.,Ltd is a leading company of battery pack manufacturer.
We have two factories, one in shenzhen for producing power bank and OEM battery packs, one in huizhou for producing iPhone internal battery.
Since its establishment in 2012,Bi-Win dedicated itself into designing, manufacturing, and sales of Lithium-ion & Lithium-polymer battery pack for various portable devices, main products including: power bank,iPhone internal battery and mobile battery&chargers. As an ISO9001-2008 certified manufacturer, we adopts advanced technics and equipments in its 2000 square meters workshop. 
Bi-Win adopts the latest technics in battery OEM & ODM manufacturing and is able to meet any requirements from different customers.