High Medium Low Chrome Cast Iron ... - Grinding Steel Balls
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching-- Temper-- Polishing . Packing . 1000kgs in a bag or 850-900kgs in a steel drum, then 25 tons in a 20GP Container . Company Profile . Jinan Zhongwei established in 2000, we are a leading manufacturer and professional exporter grinding balls in China.