Masorworks Oy new certificates. by Masor Works | Jun 7, 2019 | Uncategorized, Uncategorized Masorworks Oy has renewed its certificates for the upcoming years. The fresh 45001:2018 is also in our hands now. We also had the ISO 9001:2015 and ISO 3834-2:2005 certificates renewed. Masorworks Oy wishes everyone happy summer times!