... operation, high yield. 2400mm culvert pipe making machine for water draining 1, Assembling mouldsBrush the inner wall ... .4:2.13(this rate is only for reference,for pipes,half-dry concrete is OK)into ... price,please tell me the following informations, thanks for your cooperation.1, the pipe length2, the ... ?9, Any other requests?Sincerely waiting for your information~~~~ 2400mm culvert pipe making machine ...