Copper Tube,Refrigeration Copper Tube,Air Conditioning Radiator,Copper Tube Fittings Suzhou Green New Material Technology Co., Ltd. , https://www.szgreenvip.comThe rolling process test of the polished product by using a hexagonal drum type finishing machine solves the effective way of low productivity and high production cost of manual polishing. Studies have shown that when the volume ratio of abrasive to casting is 3:1, the effect is best, which can increase productivity by 50%, reduce cost by 26.5%, save nearly 100,000 yuan per year, and greatly improve polishing production capacity.