32mm 4:1 12 inch electroplated high-end single helix coil suitable for book binding

Company Profile.pdf


Quick details:

A. Metal spiral binding coil (any color can be customized), used for notebooks, weekly calendars, calendars, picture albums, etc.. Textbook binding;
B. This product has complete specifications, 2:1 3:1 4:1 pitch, and inner diameter up to 16-50MM.
C. The thickness of the wire diameter can be thickened on a conventional basis.
D. Packaging can be made according to requirements.
E.At present, the best-selling colors are gold, silver, rose gold and black. If you need to customize special colors, please email luo@sudidg.com to customize your exclusive binding coil for you.


Specifications :

Advantage :

1. Factory supply with competive price ;
2. Wide range of color choice ;
3. Pre-cutting service for free ;
4. Widely used in various kinds of booking binding ;
5. Fast delivery .


Physical shooting:



Environmental certificate:

Factory exterior：

HongKong Sudi Stationery Limited, established on 20 13, is a professional manufacturer of nylon double-coated wires, PVC plastic spirals, metal single spirals, calendar hangers, binding machines, punching machines and various spiral forming machines.

We have well-equipped testing facilities and strong technical force. Our double wire adopts imported nylon covered wire. All our binding materials have passed strict SGS testing and CE certified binding machines, which meet the standards of the European and American markets. At the same time, we are the supplier of LEO PAPER GROUP, the largest printing company in Asia. After years of sales, our products have won a high reputation and wide recognition at home and abroad.

Our products have a wide variety, high quality, reasonable price, beautiful design, and are widely used in printing and other industries.

Our products are widely recognized and trusted by users, and can meet the ever-changing economic and social needs.

We welcome new and old customers from all walks of life to contact us for future business relations and mutual success!

GSG Environmental Certificate：

HLMTS Test Report:

Workshop interior：

Quality inspection departments：

Cut strip warehouse：