KAIER is one of the earliest manufacturer producing aluminum profiles in China, and has become a famous largescale enterprise specializing in the production of Architectural Aluminum Profiles, Doors & Windows Aluminum Profiles and Industrial aluminum profiles in China.KAIER production base covers an area of 17,000 square meters, a total of more than 5,000 product series, more than 100,000 varieties, products are exported to Europe and America and other more than 100 countries and regions. It has about 3800 employees, including more than 500 middle and senior engineers and technicians.