Ajay is the pioneer to design, develop and market uPVC RiserDropColumn that are being successfully used in the erection of submersible borehole pumps up to depth of 1000 feet. Ajay Submersible column Riser pipes are produced on modern machines and threaded on advanced fully automated precision CNC machines. Ajay adopts a stringent Quality Control Management System, with state of the art laboratory set up. SPECIFICATIONS