Key switch air tax valve patent
Invention patent of valve core and shower
Valve core and shower utility model patent
Diverter and bubbling device
Invention patent of bubbler
Frother appearance patent
Frother appearance patent
Frother appearance patent
Jet regulator patent
A new water outlet device of frother
Water control valve patent
Invention patent of water controller
Utility model patent of water controller
Australian watermark certificate
Official certificate of French certification
Registered trademark