... board and so on.General mechanical industry:manufacturing of shaft sleeve,gear,lining,glide board,impeller and so on.Paper making ... as strap knot ,scutching shuttle stick ,gear,coupling ,buffer block,eccentric block,rod shaft sleeve,and so on.Cermic industruy :Manufacturing ... plate of glider plane,assembly of steel ball quipment ,shaft sleeve of all size ,rolling ball path ,accessory of mechanization ...