Uses: used in steel mills, scrap steel, stainless steel, scrap metal recycling units and enterprises, all kinds of scrap metal, scrap metal thin materials and metal shavings into a cold high-density mass. For easy storage and transportation and smelting. Features: (1) manual valve control, simple operation and easy maintenance. (2) mass shape: rectangular, micromalus, cylindrical, trapezoidal, to choose from. (3) in the form of a treasure optional before the turn, rollover, or manually check package in different ways. (4) The Pusher pressure: 100T-250T ranges for different user options. Note: the metal baler compression chamber size according to user request custom diesel engine can be driven in areas without power supply.