Oil needle Road (vertical bar) causes

Update:05 Dec 2017
Summary:

Weaving non-uniform process of oil production, a part o […]

Weaving non-uniform process of oil production, a part of the needle or the health of the film is not good.
     Precaution
(1) The source is the maintenance of weaving equipment and knitting needles, adjust the state of refueling, timely replacement of bad knitting needles and raw grams of film.
    
(2) strengthen the degreasing intensity before dyeing.

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