Mochini oa NHF 1250 ho isa ho 1600 Double Twist Bunching Machine ke sesebelisoa se tsoetseng pele se etselitsoeng ho hlahisa lithapo le likhoele tsa boleng bo holimo bakeng sa lits'ebetso tse fapaneng.Ha ho bapisoa le lisebelisoa tsa NHF 800 ho isa ho 1000, mochini oa NHF 1250 ho isa ho 1600 Double Twist Bunching Machine o khona ho hlahisa lithapo le likhoele tse nang le lintlha tse phahameng, ho kenyeletsoa lithapo tse khethehileng, le mehala e meholoanyane le boholo ba lithapo.