CORE-IT was founded in 1993, formerly named Wuhan Super-hard Grinding Apparatus & Material Factory. With the development needs, CORE-IT is established as an R&D company of diamond drill bits. Wuhan Core-it Municipal Exploration Technology Co., Ltd. is a specialized in new processing method Geological Diamond Drill Bits, Diamond Core Drill Bits for Concrete use, Thin Wall Diamond Core Drill Bits, Oversize Pile Foundation Diamond Core Drill Bits and Accessories, which are widely used in geological exploration, bridges, water conservancy, electric power, construction and etc. All products are manufactured in accordance with national standards strictly, and we promise that each product could be provided with complete & true test reports and certificate of compliance. We commit to offer our clients home and abroad with high-quality products, reasonable price and perfect after-sale service.