Enquire Now Siro Compact spinning is drafting of two roving and suction compacting the same before twisting each other. ADVANTAGES: Excellent Yarn Strength and Evenness with low hairiness.Surface appearance looks like double yarn.It is an excellent replacement for double yarn for some variety of clothes.Customer can change Statex Siro Compact to Statex Summit Compact single roving and vice versa (It can be achieved by just replacing some components).