Standard: AISI, ASTM, DIN, GB, JIS Grade: 195/Q235/Q345/304/316L Place of Origin: Brand Name: XAK Model Number: Strut Channel System Shape: C Channel, Custom Application: Supporting System Perforated Or Not: Is Perforated Product name: adjustable seismic bracing systems Surface treatment: Galvanized and other Technique: Stamping, Cold Forming Certification: CE, SGS, ISO9001