Cup lock Scaffolding system is made of steel pipes, the top cup is made of ductile casting iron bottom cup is made by punching press.

Steel cup lock scaffolding system is a kind of heavy duty type scaffolding system which is mainly used for building bridges, tunnels and metro station etc

Cup lock scaffolding system is painted with the high protected paint and welded with the electro carbon dioxide which provides the longer protection from rustiness, cracking and deformation.