moulding flask 1.of impact resistance 2.can stand high pressure 3.can run smoothly in molding line 4.good co-box accuracy moulding flask for KW molding lines1.run smoothly in moulding line,with exact open /close intercharging;2.be in good appearance,precise dimension,with good material;3.can work under high pressure;4.made of gray cast iron and ductile iron moulding flask for KW moulding line