The classifying and the test parts of this installation not only match the request of the state atandard TG4145-84 (classifying and testing method of yarn faults), but also can meet the demands of using the same kind of the yarn faults classifying installation, which is set by the foreign merchamdiser.

In ordern to satisfy the need of knitting yarn test, this installation has been supplemented specially with the function of short and thin yarn faults in "self definition" classifying, testing, and cleaning. In fact, this installation with the function of short and thin yarn faults classifying and testing, can fill in the gaps in the fields of the short and thin yarn faults classifying and testing in the world nowadays.