The main products have pole pushing out of machine of one pair of spiral shells of SJSZ-45 , 50 , 65 , 80 , 92 toper , SJ-30, 45 , 65 , 90 , 120 , 150 forms spiral shell's pole pushing out of machine, and material, pipe , a slice of material instead of related type, making such complementing machines as one ,etc.....