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The Avantguard is a fashion tech start-up based in Hong Kong where we developed aerosilver, the next generation healthcare fabric, into a beautiful high quality mask based on the most innovative patented antimicrobial technology from South Korea. 

Please send us an email at with any suggestions and questions or just some positive feedback. 

Our offices are located in Central at:

The Avantguard Limited,
1104 Crawford House, 70 Queen's Road Central, 
Hong Kong SAR