YONGKANG KAIBANG TOOLS CO.,LTD is a professional manufacturer for diamond core drill and power tools ,Our company possesses an excellent research and design team , has passed ISO9001 international quality system certification，high-class equipments and workers working hard which can supply guarantee of stable quality . Our company keeps develop new products and improve production technology to ensure supply the best  products for customer all along.  The diamond core drill can drill any angle hole on the reinforced concrete,brick and stone construction , be widely used in the construction, installation, communications, engineering quality, and other industries. Now our diamond core drill and power tools is being used by more and more overseas and inland customer ,and win good credit standing.