HongKong Sudi Stationery Limited
China Spiral Binding Coil Manufacturer Various types of text booklet calendars, spiral binding coils
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3:1 and 2:1 pitchdouble o wire binding, suitable for high-end diaries
Company Profile.pdf
Sizes from 1/4" to 3/4" Wire-O double line binding available for books that lay flat and the paper can be flipped 360 degrees Provides a semi-secure binding method that can only be released after being cut. Paper capacity: 2 - 165 sheets
Double Wire Book Binding Steps
1) Choice of the size, the pitch and the length of the spiral.
2) Punching of the sheets.
3) Cutting of the spiral in pieces of the desired length
4) Place Back cover on top of front cover
5) Insert the Wire C-Shape (and the hanger in case of calendar binding)
5) Closing of the double loop wire
6) Flip back cover to back
It is very rich in size, and users can customize it according to their own needs:
| Product Size (mm) | Pitch | Binding Thickness (mm) | Recommended Max Number of sheet (80g) |
| 1/4” (6.4mm) | 3:1 | 4.8 | 45 |
| 5/16” (7.9mm) | 6.4 | 60 | |
| 3/8” (9.5mm) | 7.9 | 75 | |
| 7/16” (11.1mm) | 9.5 | 85 | |
| 1/2” (12.7mm) | 11.1 | 100 | |
| 9/16” (14.3mm) | 12.7 | 120 | |
| 5/8” (15.9mm) | 14.3 | 135 | |
| 5/8” (15.9mm) | 2:1 | 14.3 | 135 |
| 3/4” (19.1mm) | 17.5 | 165 | |
| 7/8” (22.2mm) | 20.6 | 180 | |
| 1” (25.4mm) | 23.8 | 200 | |
| 1-1/8” (28.6mm) | 26.5 | 220 | |
| 1-1/4” (31.8mm) | 30 | 240 | |
| 1-3/8” (34.9mm) | 33.5 | 260 | |
| 1-1/2” (38.1mm) | 36 | 280 | |
| 1-5/8”(41.27mm) | 2:1 | 38 | 320 |
| 1-3/4”(44.45mm) | 2:1 | 41 | 340 |
1；At present, there are two pitches provided by our company: 2:1 3:1;
2；If you don't know what size to use? We can use a ruler to measure the total thickness of the textbook, and then select the range of binding thickness in the table.
FQA :
Q: ls your company a factory or trading company?
A: Our company has professional factory and our own export company can
export to you directly.
Q: Can you accept OEM?
A: Yes,no problem.We have a professional team having rich experience in plastic
packaging box design and manufacturing.pls give us your artwork or tell us w
hat you like,we can design for you.
Q: How can I get some samples and how long l can get the sample?
A: 1,We are honored to offer you samples and it can be sent out within 2days.New
clients are expected to pay for the courier cost, the samples are free for you, this
courier cost will be deducted from the payment for formal order.
Dear, I am honored that you can come to my website. We are a manufacturer, no middlemen are involved,
the price is very favorable, and the quality is guaranteed. If you are interested in our products, please contact us.
Customize the products you are satisfied with.
luo@sudidg.com WhatsAPP+86-13825814801