... reaches 12000 tons one year with 150sets of heading and rolling machine, 3 belt of heattreat ments furnace, ... OVAL HEAD, CHEESE HEAD MODEL TYPE: PAN HEADRECESS TYPE: PHILIPS, SLOT, STAR, SQUARE MODEL TYPE: PHILIPS AND SLOTSURFACE : ZINC PLATING, NICKLE ... PLATING, BRONZ PLATING, BRASS PLATING, MODEL TYPE: WHITE ZINC PLATING ...