... combined into many technical solutions for customers.1 High speed steel-barrel production line(420∼600pcs/hour)A Features: This series of barrel ... sales quantity, 300,000 pieces of barrels.2 Medium speed steel-barrel production line(300∼360pcs/hour)AFeatures: This series of barrel ... 100,000∼600,000 pieces of barrels.3 Low speed steel-barrel production line(50∼120pcs/hour)AFeatures: This series of barrel ...