1/pvc used to make plastic, he wire or cables.2 Plastic/ABS light products normally do, like hard plastic, brass helmet ... tinting in some tattoo inks3/PP Plastic packing a layer containing food preservation, making bottles for baby milk, bowls, boxes of food preservation4/PS is kind of hard plastics throughout, no odor, fire for the flame unstable. PS do not color and easy to create beautiful forms, color, ease of machining and injection molding method.
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