Registered Patents In Hong Kong, Macau, China, Korea, Europe And USA Authorities:
All Products Tested And Qualities Assured
In 2014, Shang established one of Hong Kong’s first mask factories, focused on local production of antibacterial face masks. Since then, Shang successfully patented its herbal formula in Hong Kong, China, USA, Europe, South Korea and Macau, and are later certified with SGS and CNAS tests.