Letterpress
Relief Printing
noun, の adjective
Press uneven carvings into paper to make the newest edition of your magazine. What you're using is a letterpress. This made mass printing nice and cheap(ish) in Japan!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own. Watch out because はん becomes ぱん here.
我が社では、特殊な技術を用いて、樹脂凸版の直接製版を格安で行っています。
At our company we use special techniques to cheaply do resin relief printing and direct plate making.