double ring binding coil/metal binding rings Plastic coils binding, binding coil 1. Many size 2. Any color 3. High quality with competitive price 4. Reusable We can be customized according to customer sample Specifications Metal spiral coil 1/4 inches to 11/4 inches Color: white, black, silver, gold We can produce 200CTN/Day Not easy to change type Applying the high-grade material to produce the double loop wire. High quality products, and no damage to coated layer of the wire The material is no poison and harm. It's the most ideal material for producing high-quality notebook, desk calendar, hung calendar. we can do according to the customer's requirements to produce all kinds specs and colors book binding materials, and offer good services to customers. Color: wide choice of colors 2:1&3:1 pitch available Tensile Strength: Tensile strong, not easy to change type, stable quality, low loss Application Suitable for all kinds of document, notebook, diary book, and calendar. Material: PVC Thickness: 1.3mm-2.8mm filament Length: up to 1.00m Width: 5:1, 4:1,3:1 or 6mm,8mm pitch Size: 6mm-51mm Place of origin: China US/European Standard, Toy Safety standards passed.
