Kejiahua tool manufacture(jinyun huzhen qiujin sawing parts factory) is located in Jinyun county,zhejiang where is famous for five star tourist traction–xian du and famous for sawing manufacturing base. 科嘉华机械厂（原缙云壶镇求精缝纫配件厂）坐落在中国锯床生产基地，中国缝纫之乡--缙云。 We have precise machines ,advanced technology and excellent management which ensure us to provide our customers with high quality products. Our major products is m42 bi-metal hole saws,wood hole saws and hard alloy hole saws. It drills holes on materials such as stainless steel alloy,carbon steel,plastic and castiron, within diameter 14mm-200mm,drilling hole depth 38mm, it is widely used in industries such as electric switch cabinets,decorating security doors,ship building, environmental protection equipment,mechanical engineering,fire annihilator pipe installation,oil feed pipe. 我厂拥有高精的生产设备，先进的技术团队，我们的主要产品有M42双金属开孔器，木工开孔器，硬质合金开孔器。开孔直径为14MM-200MM，单边钻孔深度38MM以内。该产品广泛运用于各类电器开关柜，装饰防盗门窗，造船，环保设备生产，机械制造业，消防管道安装，石油输送管道等。 Our brand NAIBA is famous for high quality and good reputation.our m42 bi-metal hole saws is better than other factory in the same industry. During manufacturing,we take product quality as the most important aspect and never make low-quality product wasting resource. Our NAIBA lead in the industry in quality and preformances,recognized by both domestic and oversea customers. 我厂品牌“耐霸“耐在品质，霸在诚信”。在制造过程中，我们十分注重产品品质，决不生产浪费资源的廉价产品。我们品牌“耐霸”在品质和性能上达到同行领先水平，深受国内外客户好评。 Welcome to choosing our products and your choice is our greatest pleasure 热诚欢迎国内外客户惠顾，你们的满意是我们的荣幸！[详情]