As business was good, they decided to extend their working relationship and set up Dumu Enterprises. Lu Fong Chih took responsibility for design, Pun Dai Lee for production, management and marketing.
由於生意還不錯，兩人索性擴大合作關係，成立了「杜牧」，呂芳智負責設計，潘黛麗負責生產線和管銷。