we has been passed the ISO9001 international quality certification system products through a number of domestic and international certification of CCC, ROHS CE FCC, by Senju source R & D, manufacturing products dozens, by the industry praiswe are factory, and professional make the moblie power for many years, the production we make have exported worlwords, and estabilshed a good aprrovment in the customers .we control the production ourself and remaine a very good delivery time , but the most thing we coulde promised , we pormise a good price with the same quality