(1) part of the main drive: long-term use of loom, the need to replace the drive
     part of the crankshaft bearings Block oil seal. 

(2) opening part: the cam opening arm bearings, wire rope,back to the
      comprehensive spring back to the mechanizedarm bearing replacement.

(5) measuring weft drum cylinder internal parts replaced,only the yarn pin
     internal parts replacement, cleaning of the encoder.

(6) main nozzle cleaning, filter cleaning, solenoid valve and regulator cleaning
     repair, inspection,configuration of the trachea.

(7) servo motor repair and replacement, buffer maintenance and replacement of
     internal parts.

(8) brake roller chain tensioners, the adjustment pin and replace the friction
     plate,disk maintenance and replacement. Inspection and replacement of
     matte rubber.

(9) Check and replace the planetary gear of the selvedge bobbin bearings, the
      yarn guide arm shaft, coupling.