1. pH value, phenolic yellowing and color fastness of yarn (Should be tested and approved by the factory laboratory before mass production) 2. Yarn that is easy to shed, pilling, and hooking (When can ......
1. The embroidery thread is tight or hard and not skin-friendly (improved by heating and melting or water-soluble)2. Printing: easy to have air hole, splitting, trachoma, degumming, loosen edge (to ad ......
1. Metal material is easy to oxidize and blacken (can be improved by oxidation sealing glaze process treatment).2. Leather material peeling (choose a good quality treated material, can be tested befor ......
Yarn1. pH value, phenolic yellowing and color fastness of yarn (Should be tested and approved by the factory laboratory before mass production).2. Yarn that is easy to shed, pilling, and hooking (When ......