We are professional manufacturer for diamond core drill and power tools. Yongkang Kaibang Tools Company possesses an excellent research and design team. Yongkang Kaibang Tools Co. Has passed ISO9001 international quality system certification. The diamond core drill can drill any angle hole on the reinforced concrete, brick and stone construction which are widely used in the construction, installation, communications, engineering quality, and other industries. Now our diamond core drill and power tools are being used by more and more overseas and inland customer, and win good credit standing.