michelle tjokrosaputro took over the textile company 10 years ago when her father died. vious experience in the field. michelle: dan liris was in a bad debt situation because of the 1998 crisis. but by the time i took over it was still in a bad debt situation. so it means that we coululdn't y the installment to the banks. so, we call it category five, it's not liquid. it was challenging, but it also set the course of my journey. reporter: at the age of just 25, the young woman suddenly found herself heading a sizeable company. and she had to implement some major changes. now there are only a few really old machines left at the factory. for example, in its dye works. tjokrosaputro took out loans and invested in modern technology. the machines have made production much more efficient. they save electricity and make life much easier on staff as well. ♪ reporter: : the boss has also jt started using thread made from sustainable sources. ♪ reporter: and this thread is made from wood. near the city of porto in portugal, it's also used to sew products for a german start-up. co-f