how to check zip lock bag quality ?
Do you know how to check quality of zip lock bag ? here are some ideas for your reference
whether the shape of the zip lock bag is plump, the arc is nature, the glue is prostrate, the angle is symmetrical, the material has obvious defect, and whether it is neat and clean;
2. Whether the suture line leads, drops or skips needles;3. Whether the mark indicates the zip lock bag manufacturer’s name, address and material.Second, try:1. Whether the zipper of zip lock bag is smooth 2. Whether handles and suspenders are solid (you can pull and check)3. Whether the handle can be gripped very comfortably4. The back of the zip lock bag should have soft elastic cushion processing, and should not present the pressure centralized edges and corner spots. 5. The zip lock bag strap should not clamp the carrier’s neck. From http://www.niceindustry.co.uk/about.asp 6. The length of the zip lock bag strap ought to be able to adjust nimbly as well as solid. Are you clear all of these points?if not,I will collect some more point and explanation for you soon.