Shenzhen Haohai Technology Co., ltd (hereafter referred as Haohai Technology) located in Longhua ,the backyard of Shenzhen Special Economic Zone, has been specializing in manufacturing laptop batteries ,power bank,battery case for iphone4 and concerning portable power sources since 2008. Shenzhen Bolihua Technology Electronic Technology Co., ltd is its predecessor. Haohai Technology has independent and professional teams for developing and researching, manufacturing, selling and serving after-sales. With almost ten-year experience, excellent researching group and technical expertise, Haohai...