Shandong Taian Haina Spindle Science Ltd. is a high-tech and high speed electric spindle professional production enterprise which located at the foot of Mountain Tai. It has the advanced electric spindle desigh development and manufacturing capability, well-equipped, abundant techniques. the electric spindle of HNCseris has the characteristics of high precision, high strength and toughness degrees, the high output power, low noise, the rolate speed has reached 1000-120, 000 turn, variable frequency speed regulation, and can be widely used in high precision external circular grinding, carving, drilling, milling equipment. the products sell domesdic and overseas.