1.We are manufacturer specialized in concrete spare parts,like pipe,elbow,rubber hose,coupling,etc.

 2.Our products have widely recognized by buyer from China,Middle East,Asia,America,etc.

 3.Supply directly to Putzmeister,Hold,Foton,etc.

Dn125 snap coupling,use the forging technology,widely used for pump.

Other size:5",5HD,4",4HD,3"......