... and-groove nonreinfroc we supply a full line of concrete pipe production machinery:detailed description:pipe length:1mpipe inner ... efficiency (m/h)18-2213-16 Note:nonreinfroced concrete pipes1-Concrete pipe making machine and pipe mould of all specifications ... of the machine has: Main frame, power system, jacking system,(lifting system), internal water system ,mould, working platform, pushing car ...