JINGGONG SCIENCE JBH
The JBH corrugated web automatic H-beam welding line developed by our company consists of slitting and cut to length machine, web forming machine, flange and web feeding machine, corrugated web H-b...
The JBH corrugated web automatic H-beam welding line developed by our company consists of slitting and cut to length machine, web forming machine, flange and web feeding machine, corrugated web H-b...