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Material receiving device of zipper forming machine（NO.12288549）

2021/9/7 11:30:43

Material receiving device of zipper forming machine

An improved threading device for zipper threading machine（NO.12501038）

2021/9/7 11:30:40

An improved threading device for zipper threading machine

Design patent zipper belt（NO.6220220）

2021/9/7 11:30:37

zipper belt

A new plastic steel zipper cloth belt and zipper（NO.12665930）

2021/9/1 21:35:02

A new plastic steel zipper cloth belt and zipper

An improved material receiving device for webbing machine（NO.12379861）

2021/9/1 21:33:06

An improved material receiving device for webbing machine