... up on March 28th,2008,it united by Guangzhou Abound leather producing factory, Shenzhen Bao’an Abound electronic producing factory and ... subsidiary factories are chiefly developing and producing various of leather cases,leather bags,TPU cases,silicon cases,crystal cases,chargers,batteries,datetransfer ... : www.szabd.com http://szabd.en.alibaba.com/ battery pack case cover for iPhone 4s/4