Our machine has many multinational patents. We originate to use three-point adjustment of stainless steel screw spring nut and another six-point fine tuning for the proper adjustment of grindstones. It can be easier to adjust and never rust or oxidize to get stuck even after long time use. We are the only one to use aluminum-alloy accurate die-casting of unity forming all over the country. To use import ultra-high-level bearing and special motor. It's safe and wear-resisting. Super horsepower, high-speed grinding fine rice-grinding, small volume and convenient for carrying. Provide electric power switch and electric wire clamp, it's safe and convenient.