Oct 28, 2008. /Lesprom.com/. Nippon Paper Group Inc. said that its main operating unit Nippon Paper Industries Co. will invest some $30 million in the paperboard operations of a leading Taiwanese paper maker. Nippon Paper Group hopes to complete the investment in Yuen Foong Yu Paper Mfg. Co. as early as this year. Details, including an equity ratio, have yet to be drawn up. Nippon Paper Group aims to boost cardboard box operations in the growing Asian market. The deal comes after Nippon Paper Group and Yuen Foong Yu Paper announced a business tie-up in November 2007. The Taiwanese firm logged group sales of 43,628 million Taiwanese dollars in 2007. Its annual paperboard and paper output totals 1.9 million tons.