We KN STEEL BALL., a professional enterprise of steel balls in China from 2004, focus on manufacturing the bearing balls with stable quality in honesty and upright. After years development, our manufacturer has become one of the Ball Leading Enterprise of steel ball in China for chrome steel ball, carbon steel ball, stainless steel ball and special metal balls. The balls is under the strict quality production management system, and Automotive Industry Quality Management System. Supplying balls with diameter from 0.500mm to 24.525mm, grade from G200 to G10 G5, vibration Z3/Z4/Z5.