... stand wear and tear 4.warranty 1year oem make cell phone case with pc,tpu...You supply concept and design, ... owns plentiful experience in oem for world-renowned cell phone companies and accessories companies like:Speck,Superier,oppo,Rock...Specification MaterialPC,TPU, ... founded in 1998),specially co-work experiences with world big companies for many years like Nypro,appletec,BD...*equipped with CNC ...