Large Span Metal Steel Standing Seam Roof Panel Roll Forming Machine
Hangzhou bluesteel machine co., ltd
Our QC team is composed of skilled engineers and
technicians.Working on CEFCC quality management system control, the
QC system covers all process of production from the material,
production, and finished product testing.
And the rollers are surface chrome plated after being machined by
the CNC machine tool, and polishing the rollers surface shinning