Ringo Nagabe Mandiri CV. as General Contractor, special for Civil work and Steel Construction, ofcourse Fabrication and erection, we are also familiar with Environment as WWTP, Piping and Electrcal. Ringo Nagabe has been operated since 2003. Our goal as howto customer satisfaction and problem solver for your case in building. Our Special Thank for Clients: " Your trust become our allegiance "