... SGS test 3zipper(resin ,metal.nylon)we all can produce. Nylon:#3,#4,#5,#8,#10,finished zipper and long chain.Non-lock,pin-lock,semi ... -type and invisible zipper,woven type,water repellent Resin/plastic:#3, #4, #5, #6, #8, #10, finished zipper and long chain.Dyed yeeth,plating ... ),common teeth and thin teeth Metal:#3, #4, #5, #7, #8, #10, finished zipper and long chain.Non-lock,pin-lock,semi-autolock ...