hole bit kit for wood factory Our History Year 1995, started foreign business Year 1998, engaged in diamond tools foreign trade Year 2004, set up Huzhou Gu's Imp&Exp Co.,Ltd Our Factory We specialized in researching, designing and manufacturing various types of diamond hardware tools for concrete, stone and other masonry materials. Our cutting ,grinding,polishing and coring tools are engineered in a variety of grades for DIY customers and professional users. website:http://www.nice-cutter.com/