The Development Bank will have discretion to extend the loan period for some companies to up to 15 years, helping them to spread the costs of their borrowing further.
Bydd gan y Banc Datblygu y dewis i ymestyn cyfnod benthyca rhai cwmnïau i hyd at 15 mlynedd, gan helpu iddynt ledaenu cost eu benthyca ymhellach.