Certification
Company Certificate
Product Certificate
Patent Certificate
-
Invention patent – a synthetic extrusion die with stable discharge
-
Utility patent – an acrylic solid rod
-
Utility patent – an easy to install and remove frosted lampshade
-
Utility patent – a high light transmittance acrylic lampshade
-
Utility patent – a wedge-shaped extrusion die
-
Utility patent – a synthetic extrusion die with stable discharge
-
Utility patent – a mushroom shaped synthetic extrusion die
-
Utility patent – an LED acrylic frosted lampshade
-
Utility patent – an acrylic two-color card slot tube