... noise,stable ransmission,and high-strength of gear,good stability of shift,and no-leaking oil. ... old type ram-pressing roller-tighten husker.This gear box has good perfomance of low noise,stable ... ransmission,and high-strength of gear,good stability of shift,and no-leaking oil ... Hubei province,covering an area of 120,00 square meters,360 sets equipments, annual production capacity is ...