... haisheng Machinery Manufacture CO.,ltd is specialized in producting kinds of gears ,shafts and gearbox.Our main procuct is ... -term realationship with China YTO(the biggest supplier of agriculture machine,The famous brand is" Dongfanghong")Our ... procucts in the exhibition,it is the scene of it.Gear &shaft:with high quality,reasonable price ... contacting ,I will deal it intime kinds of gears and shafts