Tuag-tej tshuab

Tuag-tej cov cav tov tau cov kev tu ncua ntau lawm ntawm kev luam ntawv ntim kev lag luam. Kev muaj yeej manufacturing xws li tsis siv neeg siab tiaj tus tuag ca tshuab zainei ntawm trademark tuag tshuab, thiab siv lub tshuab tuag tsis qhuav roj hmab trademark, thiab muab siab round cav tuag, thiab lub cav tuag ca hloov siab, thiab siab tiaj tus tuag txiav siab tias siv lub tshuab (tsov lub qhov ncauj cav tuag), cov khoom, muaj tau manufacturing linkage kab Shang kev tuag txiav tsev, ua: xovxwm version saj zawg zog , thiab khoom xovxwm intaglio, thiab cov roj hmab tsis qhuav xovxwm, thiab corrugated tshuab luam ntawv qhib qhov, kev tuag txiav chav tsev.