Production mode and process of backpack webbing
2022-04-08
Since the early 1930s, backpack webbing has been produced by hand workshops, and the raw materials are cotton thread and hemp thread. After the founding of the People's Republic of China, the raw materials for webbing gradually developed to nylon, vinylon, polyester, polypropylene, spandex, viscose, etc., forming woven, knitting, jacquard
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