Ningbo Huaren Tools Co.,Ltd. are professional supplier of twist drills. All kinds of drills according to the standards of DIN, ASME and GB/T and non-standard drills can be manufactured in high quality and effective. Our workshop covers an area of 2,500 square meters with 110 grinding and rolling equipments including advanced 5 Axes CNC point grinding machines for different customers domestic or abroad and applications. Our annual production capacity is 30 millions units of twist drills with diameter from 1/16 to 1/2 inch (1-13 mm) including bright, black (steam) ,black(QPQ), TiN coating, etc.enterprise......
