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This design adopts the hand pressure latch the ways in which handles the hand pressure latch can change file, and thus reduce the handle, also saved costs,. Its operating mode is simple, users easy to learn, product durable, wear-resisting, solid, durable, easy to carry, science and environmentally friendly.
Jiangxi University of Finance and Economics
NanChang City,Jiangxi Province, China
Hongxing Xiang Yan Chen Chao Ma Dong Yang