Customer service center by product

We will answer any technical support questions and custom order inquiries.

031-429-6873

- product inquiries, technical inquiries, or distribution inquiries

010-2468-6873

- building site visits, inspections and maintenance requests

yuminst@yuminst.co.kr, yuminsales@daum.net

- product installation inquiries and price quotes

Opening hours : Weekdays 09:00~18:00

Lunch break 12:00~13:00 (Closed on Saturdays, Sundays and all holidays)