we supply concrete pump elbows all types all size. from technical we supply Seamless bends , single wall elbow high maganesed, and twin wall elbow for boom truck . ceramic elbows . 

Standard size: single wall(maganesed elbow),twin wall elbow

R275*90°

R275*45°

R275*25°

R275*20°

R275*15°

R180*90°

R232*60°

R240*36°

R240*30°

R240*15°

R385*29°

R315*33°

Special elbows:

R275*90°+110mm

R275*90°+211mm

R275*90°+411mm

R275*90°+424mm

R275*45°+170mm

R275*45°+310mm

R275*45°+110mm