we are the chief construction machinery export in china and and have been handling various kinds of construction machinery also include parts of machinery for about 16 years. 
The parts of our construction machinery: such as track link.
track links assy .track shoe.track roller.boit.nut and so on.types are like these:komatsu.shantui.hitach.cat and so on.we
think you will intrestde.we approach you today in the hope establishing business relations with you .
Looking forward to your reply. Thank you!