... cell phone metal shell aluminium alloy housing for cell phone ISO9001,2008 certified factory. Professional manufacturer Application range;cell phone metal shell,aluminium alloy housing for cell ... , Shenzhen Jinrui Aluminium Industry Co., Ltd. built in 1993, we covering an area of 10,000 ... , double-head saws, hydraulic saws and punchers in our processing workshop. The complete technological process can ...