Waxa ay ku guulaysatay Qaybta Tijaabada Patent ee Shanghai waxana ay leedahay in ka badan 40 mashruuc oo hanti aqooneed oo iskeed u leh, samaynta nidaamka patentka leh sifooyinka Huzhen iyo noqoshada taageero xoog leh shirkadaha farsamada ku salaysan.