it is the most ideal material to make high-grade notebook, desk calendar, hung calendar, single and double spring, and colored clip, etc, which are the replacing products of documents, and other office products.

Material: Qualified carbon steel

　Paint: Macro-molecule heat-resistant paint developed by our factory.

　Color: White, black, red, orange, yellow, green, and blue, etc.

　Spec: 0.70--1.50mm

    Coat: 0.05--0.07m/m　　

Tensile strength: 650±100N/mm 

　Rebounding angle: 55°±10°

If the client has special requirement, please mail us to discuss the standard, and we ensure the quality, quantity and timely delivery