About Us

SIGMA Aluminum is a large-scale aluminum fabrication enterprise, established in 2008, is professional in R&D and production of aluminum products. It headquarters in Gongyi City, Henan Province.
SIGMA ALUMINUM follows international aluminum sheets/coils/foils manufacturing standards and quality control; we have full range of testing equipments and machines to check the chemical composition，thickness tolerance,electricity and physical property and guarantee your every requirements are fulfilled.