PVC chigawo chachikulu cha makadi ndi chinthu chofunikira kwambiri pakati pa ma ID, umembala ndi RFID makadi, okhala ndi zinthu zaku China zomwe zimatenga 80% pamsika wapadziko lonse chifukwa chakuchita bwino kwambiri komanso kuphatikizika kwamakampani. Nkhaniyi yatchula opanga 15 apamwamba kwambiri aku China omwe ali ndi maudindo osiyanasiyana komanso amagawana maupangiri osankha ogulitsa. Otsatsa aku China amatha kukwaniritsa zofunikira za opanga makhadi apadziko lonse lapansi.