Mac Panther Tools, the former Shenli Tools established in 1982, has more than 30 years of experiences producing hammer drill bits and other power tools accessories. As the member of Prüfgemeinschaft Mauerbohrer(PGM), Mac Panther Tools focuses on quality promoting, equipments automation and technology updating. All our products are subject to strict quality control to meet your requirements. History 1982 Established as Shenli Tools by the general Manager Mr. Lian 1998 Promoting "Router bits" and "Flat bit" 2002 Established automatic SDS plus hammer drill bits production line imported from Germany 2003 Became a member of PGM Promoting "universal drill bits" 2009 Established automatic SDS plus...