He feels by blending careful management with innovative designs, and an ability to quickly adapt to the unique needs of his customers, that this is the special reason for the excellent business 
(He; feels; by blending careful management with innovative designs, and an ability) Context(He feels,List([0, 8))):(this; is; the special reason for the excellent business)
He feels,List([0, 8))
He this
feels is
by blending careful management with innovative designs, and an ability
the special reason for the excellent business