... are used to the lubrication of sewing machine, bicycles,office supplies,carpenter tools machine oil:1.This series of products adopt ... special high-tech production.It can reduce friction, wear of machine and lower friction resistance ,anti-corrosion, rust prevention as ... 2.DJW sewing machine oil are used to the lubrication of all kinds of sewing machine, bicycles,locks,bearing,carpenter tool.(1L)