album binding rings, notebook binding material, stationery file binding 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 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.
