Neuma Doors stands apart as the industry leader in quality and design innovation. Backed by the strength of Nan Ya Plastics Corp. USA, our vertical integration incorporates comprehensive quality control measures through each step of the production cycle, from the manufacture of raw materials to the final door assembly. Our dedication to produc - tion excellence and environmental preservation has been recognized with ISO 9001 and ISO 14001 certifications.

As part of our ongoing commitment to environmental conservation, Neuma Doors, backed by Nan Ya Plastics Corp. USA, has developed comprehensive programs focused on recycling, reducing carbon emissions and water and energy conservation.

Neuma Doors are manufactured with recycled materials and do not contain any harmful CFC’s that damage the Earth’s ozone layer.

As the leading manufacturer of energy efficient patio doors, we help reduce home energy use across the country and are a proud partner with the Environmental Protection Agency’s ENERGY STAR Program.