SUNYUNG

SUNYUNG

Luxury Packaging Trends 2026: Sustainability Meets Smart Control

Luxury packaging is evolving. Sustainability and intelligent control are no longer optional—they define the future. Eco-friendly materials such as recyclable composites and low-impact coatings will be gaining traction, while smart control systems bring interactive experiences through mobile applications. Sunyung actively…

TPD Explained: The Complete Watch Winder Guide

TPD, or Turns Per Day, refers to how many rotations a watch winder performs within 24 hours. Correct TPD settings are essential for keeping a mechanical watch properly wound. If TPD is too low, the watch may stop due to…