Fuzhou Chengyang Technology Co., Ltd.CHENGYANGHook & Loop Division

Converting is where most hook and loop goes wrong

Slitting, coating, die-cutting, sewing and packing each change the tolerance. We qualify them separately and write the result into the specification.

Converting

Six processes, one tolerance sheet

Every process below is qualified against a drawing before it is offered as standard.

Slitting

Rolls cut to width, wound under controlled tension.

  • 10–150 mm, ±0.5 mm on widths above 25 mm
  • Ultrasonic or hot-knife edge to stop fraying
  • Spools, pancakes or traverse-wound rolls

Adhesive coating

Rubber, acrylic or hot-melt, with the liner matched to your process.

  • Peel adhesion tested on your actual substrate
  • Liner: paper, film or release-coated fabric
  • Service temperature stated on the spec, not assumed

Die-cutting

Tabs, discs, rectangles, gaskets and shaped closures.

  • Rotary and flatbed cutting, ±0.3 mm
  • Kiss-cut to liner, or through-cut
  • Steel rule dies kept for repeat orders

Sewing & assembly

Straps, cuffs, braces and multi-part closures assembled before packing.

  • Bar-tack and box-X reinforcement
  • Welded seams for coated and TPU-backed tape
  • Hardware, buckles and D-rings sourced to drawing

Colour matching

Stock shades for speed, Pantone matching for programmes.

  • 30+ stock shades in polyester
  • Lab-dip approval before bulk dyeing
  • Batch-to-batch ΔE recorded

Packing & labelling

Retail-ready or bulk, with the labelling your customer's audit expects.

  • Polybag, header card, hangtag, shrink pack
  • Barcode, care label and country of origin
  • Carton marks and pallet configuration to order
Capability matrix

What we can hold

Numbers here are production tolerances, not laboratory bests.

ProcessOptionsTolerance
Slitting width10–150 mm±0.5 mm above 25 mm
Die-cut toleranceRotary / flatbed±0.3 mm
Adhesive coat weightRubber / acrylic / hot-meltSet per substrate
Roll length25 m / 50 m / custom±1 %
ColourStock / PantoneLab-dip approved
PackingBulk / retailTo your audit standard

Anything outside this table is quoted case by case, with the risk stated in writing.

Quality control

Five tests we report, not five badges we display

Test methods are agreed before the first shipment. Reports go out with the goods, not after a complaint.

  • 1Peel strengthMeasured at 180° on the agreed substrate, before and after five open/close cycles.
  • 2Shear strengthStatic load held for a set time; reported as the load at failure, not a pass/fail.
  • 3Cycle lifeRepeated closure to the count your application needs — 1,000, 5,000 or 10,000.
  • 4Width and thicknessMeasured at three points per roll; out-of-tolerance rolls are held, not shipped.
  • 5Colour fastnessWash, rub and light fastness to the standard your market requires.
Adhesive-backed hook and loop Coated, lined, die-cut

Documentation, not decoration.

OEKO-TEX Standard 100 and REACH documentation are available for skin-contact and garment programmes, matched to the construction you are buying.

OEKO-TEX® Standard 100REACH AQL 1.5 / 2.5Batch traceability
How an order runs

Five steps, no surprises

Brief

Width, colour, backing, quantity, end use and a drawing if you have one.

Material proposal

We name the grade and the adhesive, and say what we would not use.

Sample

A physical sample against your approval criteria, not a catalogue photo.

Production

Produced to the approved sample; any change needs a new approval.

Inspection & ship

AQL inspection, packing list and documents before the container closes.

Output examples

What leaves the converting line

Slit rolls, coated roll goods, die-cut tabs, assembled straps and retail-packed sets — all from the same specification sheet.

Open the image library
Molded Hook Tape — MH-01Hook & Loop Cable Ties — CT-01Elastic Hook & Loop — EL-01Back-to-Back Strap — BB-01Non-Snag Loop Tape — NF-01Medical Headgear Straps — MD-01
Questions

What buyers ask before the first order

What is your minimum order quantity?

MOQ is set per material, width and converting step, and is confirmed with your quotation. Sampling is possible before a production order, so you can approve a physical part rather than a rendering.

Can you match a colour?

Yes. Send a Pantone reference or a physical swatch and we match to it. Dyed lots are checked against the approved swatch, and the minimum run per colour is confirmed on quotation.

Which adhesive should I choose?

Acrylic for long-term outdoor and UV exposure, hot-melt for high initial tack on paper and board, rubber for low-surface-energy plastics. We test on your actual substrate before production.

How fast can you send samples?

Sample lead time is confirmed when we quote. It depends on whether the item is a stock construction or a new die, and on whether the colour has to be dyed to match. Samples are shipped worldwide; sample cost and freight are quoted with the specification.

Send the drawing. We will tell you what will fail.

Width, colour, backing, quantity and the surface it has to stick to — that is enough to start.