/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PaulWang18 https://cdn.slidesharecdn.com/profile-photo-PaulWang18-48x48.jpg?cb=1523469131 Zhangqiu Taitou Special Steel Ball Factory is one of the biggest manufacturers of grinding media, including forged grinding steel balls,rolling grinding steel balls,casting grinding steel balls,grinding rod and grinding cylpebs. For more than 20 years, we have been specializing in the development, manufacture, marketing and after-sales service of grinding balls. Forged Steel Grinding Balls 1.Feature: 1) High Hardness: surface hardness of forged and rolling ball is to 58-68HRC and volume hardness is to 57-63HRC 2) High Impact Toughness: impact toughness is more than 12 J/cm2 3) Low Broken Rate: the broken rate is not higher than 1% 4) Wear-resistant: the wear rate of grinding media is 80... http://www.titlegrindingball.com