Contact
We’re always happy to help. Whether you have a question about a product, need assistance with an order, or want to get in touch for any reason, you can reach us anytime by email. Our team replies as quickly as possible during business hours.
support@seihoiadvance.com
Address
Sei Hoi Advance Trading Limited / seihoiadvance
Unit B6, 22/F, Block B, TML Tower
3 Hoi Shing Road, Tsuen Wan, N.T., Hong Kong
Customer Support Hours
Monday – Friday
9:00 AM – 6:00 PM (EST)
Helpful tip
If you’re contacting us about an existing order, please include your order number in your message so we can assist faster.
Thank you for choosing seihoiadvance—we look forward to hearing from you.