... .4:2.13(this rate is only for reference,for pipes,half-dry concrete is OK)into the concrete mixer,operate ... .1, the pipe length2, the pipe inner diameter3, the pipe joint, flat, socket or rabbet? 4,If your pipe need to ... machines?6, Operating environment7, Discharge port8,Daily output of concrete pipes?9, Any other requests?Sincerely waiting for your information~~~~ 4000mm ...