This construction project is located in Shenzhen, China, pile diameter 2m, pile depth 113m. After comparing, the construction side finally choose to use Unidrill kelly bar. The drill rig they use is Bauer BG46, the kelly bar type chosed: Unidrill 559-5*25.3 interlocking kelly bar. Now, clients feedback that Unidrill kelly bar really works wonderful, they like the quality and like the service that the Drillmaster group supply.