Taking into account the adopted 1.7 tex cotton yarn close to their cross-sectional of the fiber count is less, a strong relatively low, in order to reduce yarn dyeing, strong loss and feathers, with high temperature and pressure of renovating their tube dyeing process. The coloring of the envelope-barrel, should, to the extent possible to treat polluted rivers around loose, winding density is distributed very unevenly distributed, in order to ensure that the living quality.
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