Quality Management
ISO 9001:2015
- Certificate
- QI765723
- First issued
- 23 December 2014
- Renewed
- 22 December 2023
- Valid until
- 29 November 2027
- Issued by
- ICR (International Certification Registrar Ltd.) · IAS accredited · IAF MLA · IAF code 23
01 ISO Certification
Quality and environment: two international standards
First certified in 2014 and maintained ever since. The certified scope is Development and Manufacturing of Hand warmer, Hot pad, Body warmer.
Environmental Management
ISO 14001:2015
- Certificate
- EI430423
- First issued
- 23 December 2014
- Renewed
- 22 December 2023
- Valid until
- 29 November 2027
- Issued by
- ICR · IAS accredited · IAF MLA · IAF code 23
02 KC Safety Confirmation
Five KC Safety Confirmations, by brand
Under Korea's KC Safety Confirmation scheme, a product is tested by an accredited laboratory against the safety standard and then declared. It covers POPORANG, Loyalty Hot Pack and Mom's Hand, with adhesive and non-adhesive types declared separately.
| Document | Declaration no. | Product | Type | Date |
|---|---|---|---|---|
| B683D5001-25002 | POPORANG hot pack | Non-adhesive | 15 Oct 2025 | |
| B683D5001-25003 | Loyalty Hot Pack | Non-adhesive | 15 Oct 2025 | |
| B683D5001-25004 | Mom's Hand warmer | Non-adhesive | 15 Oct 2025 | |
| B683D5001-25001 | Mom's Hand adhesive | Adhesive | 15 Oct 2025 | |
| B683D5001-26006 | Loyalty Hot Pack adhesive | Adhesive | 2 Feb 2026 |
03 Children & Materials
Products for children, and the raw material too
Children's Product Safety
POPORANG Mini hot pack
Safety-confirmed as a heat pack for children (incl. pocket warmer) under Korea's Special Act on the Safety of Children's Products.
- Confirmation
- CB155D0001-4001
- Issued
- FITI Testing & Research Institute · 5 July 2024
- Valid until
- 4 July 2029
- Standard
- Safety Confirmation Safety Standards, Annex 15
Raw Material · Recycled Product
Cast iron powder — Shinwoo Besteel
The iron powder at the heart of our hand warmers is cast iron powder certified as an Excellent Recycled Product, obtained by our supplier Shinwoo Besteel Co., Ltd. The certificate is held in Shinwoo Besteel's name, not WINIST's.
- Certificate
- No. 16032010
- Issued by
- Ministry of Trade, Industry and Energy
- Valid
- 20 January 2025 – 19 January 2029
- Item
- Recycled cast iron powder from cast iron cutting chips, 60 mesh
04 Patent & Trademarks
Our technology and our names, registered
Patent
Korea's first anti-static patent
WINIST holds Korea's first anti-static patent.
All five trademarks are registered with the Korean Intellectual Property Office.