1.The whole bellow is made of stainless steel with excellent corrosion resistance.

 2.Laserwel;ding is used between bellows and shaft sleeve in orderc to reduce rotary clearance in transmission process .Thhis structure is suitable for positive and negative ritation.

 3.The below structure will be more effective for radiall ,angular and axial deviation compensation.

 4.The expansion sleeve structure is designed to ensure the firm link betwee the shaft and the shaft .

 5.This product is special designed for transmission of CNC machine tools.