"Oriental-color" and "Xuan paper card book collection of the printing and binding process" won the invention patent certificate
June 12, 2013, Beijing Oriental-color Printing Co., Ltd. has received a by the People's Republic of China Intellectual Property Patent Office approved the "Xuan paper card book collection of the printing and binding process" invention patent certificate (patent number: ZL 2011 1 0067447.7). Thus filling the current use of offset printing machine printing paper card book technology blank.