長信印刷行

Facing a more and more competitive market environment, PTRI needs to make more and more progress and breakthroughs, then it can help to lead other printing companies and become a core tech R&D institute, technology director, printing quality promoters, and professional test institute as well. All staff members of PTRI will work to achieve our goals, and PTRI hopes everyone in the printing industry will go together with PTRI to create a glorious future.

長信印刷行