Brand positioning and origin

YIWEI is a Taiwanese zipper brand specialising in fine invisible zippers. Taiwan's textile and trims sector has long supplied womenswear and formalwear producers, and a specialist of this kind concentrates on the small-diameter coil articles that determine whether a concealed closure is truly invisible.

The technical challenge is not strength but behaviour. The coil must roll into the seam allowance without twisting, the tape must not pucker on fine fabric, and the slider must run smoothly along a narrow channel. YIWEI's range is organised around those requirements.

Product range

The range focuses on fine concealed constructions:

  • Invisible coil zippers in #2, #3 and #4, including extra-fine articles for light fabrics.
  • Closed-end and open-end concealed versions for dresses and lightweight jackets.
  • Tape options in a wide colour card, with soft tape for silk and viscose.
  • Long-chain supply for factories that cut and fit sliders in-house.
  • Low-profile sliders and slender pulls that sit flat in the seam.

Typical applications

YIWEI articles are used in dresses, skirts, bridal and evening gowns, blouses, tailored trousers, lingerie and costume production. The extra-fine articles suit silk, chiffon and lining fabrics where a standard coil would show or distort the seam, and long-chain supply is common in bridal workrooms.

Quality and compliance

Concealed articles are tested for slider smoothness, coil recovery, seam appearance after washing and colourfastness to light and perspiration, with strength references to ASTM D2061-style methods. OEKO-TEX Standard 100 documentation is available for many apparel articles. Certificates and test reports apply to specific articles and are subject to the supplier's certificates.

Sourcing notes

Specialist invisible zipper supply usually involves moderate minimum order quantities per colour, with lower thresholds for stock colours. Sampling takes one to two weeks, and long-chain orders are more economical for high-volume workrooms. Bulk production typically runs four to six weeks. Buyers should test the tape against the actual shell fabric, since seam behaviour varies with weight and finish.