Help Center
Contact Us
Find answers fast, or reach our team in Seoul. We’re here to help.
Quick Links
Returns and exchanges are handled by email within 30 days of delivery. Tap “Start a Return or Exchange” to email us with your order number, or read our Return & Refund Policy.
Get Support
Still need help? Contact us.
The fastest way to reach us. Ask about orders, sizing or shipping, any time. Our team in Seoul follows up during business hours.
Prefer email?
contact-global@wavecompany.netFor returns, exchanges and anything that needs photos, email is best. We’ll get back to you within 1–3 business days. Please include your order number.
Customer service hours
- Seoul (KST)
- Mon–Fri, 9:00 AM – 6:00 PM
- US Pacific
- Sun–Thu, 5:00 PM – 2:00 AM (next day) PDT
- US Eastern
- Sun–Thu, 8:00 PM – 5:00 AM (next day) EDT
- Central Europe
- Mon–Fri, 2:00 AM – 11:00 AM CEST
Messages received outside these hours are answered on the next business day. Our team is based in Seoul, South Korea.
Shipping & Customs
- Orders are prepared and dispatched within 1–3 business days.
- Standard (K-packet · YunExpress): 7–21 business days depending on destination. United States: 7–12 business days.
- Express (EMS · UPS): 4–5 business days, for select destinations.
Rates for your country are shown at checkout. See our Shipping Policy for countries, free-shipping thresholds and tracking links.
Business & Partners
- Become a DistributorSee our partners worldwide and join them
- ElecSil™ TechsheetDownload technical sheets for ElecSil™ materials
For wholesale, collaborations or custom B2B projects, email contact-global@wavecompany.net.