▶ 弹弓壳回圆头机(PJ-20)

▶ 专利号：ZL200920122135．X

    Slingshot housing end-rounding machine 

▶ 弹弓壳打孔机(PJ-37)

    Slingshot  punching machine shell 

▶ 弹弓壳左右拉槽机(PJ-27B) 

   Slingshot shell or so pull slot maehiue

▶ 弹弓壳冲方孔机(PJ-28) 

   Slingshot housing square-hole punching machine 

▶ 弹弓壳铣斜口机(PJ-22) 

   Catapult shell milling incliued hole machine

▶ 弹弓壳回背机(PJ-19) 

   Catapult shell return back lnachine

▶ 弹弓壳铣槽机(PJ-47) 

   Sliugshot shell milling slot ulachine