"39th I can see!"I understand!Sewerage Competition" Received the Excellence Award in the Section of Improvement and Repair Work in the Sewerage Pipe Division Posted on 2018/12/282019/12/25 by toshin “39th I can see!”I understand!Sewerage Competition” Received the Excellence Award in the Section of Sewerage Pipe Improvement and Repair Work It can also be seen in the affiliated company Tsubaki Construction!Transmitted!We received the Excellence Award at the Sewerage Competition.