Min. Order Reference FOB Price
1 Piece US$1,000.00-5,000.00 / Piece
Product Description
Sand Box for Vacuum Process Casting Vacuum seal molding called V method molding, the process is a physical mehtod by using of single dry sand(no water binder and appendages), molding by plastic film with vent and suction devices,after heating and then sealed the sand box, pumping out air by ...