NL- 500 - 01 CB 
High speed interlock sewing machine - Various machines of this line are available to satisfy the various adorm. It can meet high quality and diverse seaming requirements. NL - 500-01 CB -plain seaming, with adoption of the forced - feed oil - return system at the needle bar, the oil of the needle bar mechanism can be controlled effectively, and in this way oil leakage will never happen. The upper and lower silicon oil system prevents the needle from overheating, and also avoids thread breakage. NL - 500 - 01 CB is double chain stitch in 2 loopers.