MJI DESIGN is a leading industry of CAD design and hydraulic drawing services and as -built drafting for suppliers, manufacturers & contractors across Australia. We offer hydraulic design service including sanitary, as-built drawings, schematics & pipe sizing for plumbers, builders & developers. We offer as-built mechanical, electrical design & drawings services for all types of buildings construction, pipe sizing facilities & industry plans according to our clients.You can consider the following things that help you decide the right design provider.