Conditions for the production of coil, curl has two customers Grill is welded to a thickness than normal and.If the task can use the thick tube is 0.014 ", it is possible to manufacture the coil fins as FPI away stage 12.
Conditions for bending coil has two. The pipe must be thicker than normal, and if this work can be used as pipe thickness 0.014 ", it is possible to produce a coil spacing is 12 FPI.