... using environmental protection plastic raw material injection into, 5.the product each production links all have strict quality ... protection requirement. The main products are # 3, 4 #, small # 5, 5, 8 # # # 10, and the green plastic zipper head, ... wore hold the head, # 3, 4 #, # 5 couplet body plastic hold the head, automatic head and PVC ... bags, rain loose, bedding products zipper use. Plastic slider