... good stability, convenient operation, high yield.Our concrete pipe making machine adopts variable frequency motor,which can help you save ... save 40% power 1,Suspension roller type concrete pipe making machine2,Mould:flat,socket,rabbetdiameter:200-2500mmLength:1000-5000mm3, ... we also produce JS750,JS1000,JS2000 etc5,Automatic welding machine6,Our concrete pipe making machine areas,welcome you to here~~~7 ...