Коробка прессформы утюга серого цвета коробки прессформы ISO9001 отливки GG25 в плавильне

High Precision Casting Moulding box High Precision Grey Iron GG25 Moulding Box For Automatic flasked Molding Line Moulding box material HT250 also named moulding flask, mold flask, sand flask, sand box, which is important tools for foundries using automatic or demi-automatic moulding line. It is the sand box used for the high pressure modeling machine. In the work process to bear a high pressure, should also have the following characteristics: sandbox walls have higher