01,BUILIT-DIRECT-DRIVE MOTOR AND CONNECTION WITH ENCODER, SMALL VIRBRATION, LOW ROISE EVEN THE MACHINE SPEED UP TO 5500RPM
02,NEEDLE BAR BUILTED UP AND DOWN  SETS OF FULLY ENCLOSED STRUCTURE AND ADD THE POMMEL，COMPLETELY ERADICATE WIPE OUT THE FOLLOWING PROBLEM:NEEDLE JAMMED, LOOSE OIL CASUED BY WASTE MATERIAL INTO AND POWER IS NOT ENOUGH WHEN USING FOR HEAVY MATERIAL ETC.
03, THE OIL PAN STRUCTURE-IMPOVING TO PREVENT OIL PAN LOOSE OIL.NEEDLE AJUSTMENT UP TO 55MM.

RY-S60D-3-04 

Direct drive high speed overlock sewing machine(3 thread)

RY-S60D-4-24 

Direct drive high speed overlock sewing machine(4 thread)

RY-S60D-5-35 

Direct drive high speed overlock sewing machine(5 thread)

RY-S60D-5-55  

Direct drive high speed overlock wide sewing machine(5 thread)

RY-S60D-5-56 

Direct drive high speed wide overlock sewing machine for heavy materials(5 thread )