1.screen powder, grains 2.delivery time: 5 days 3.screening ratio:95% 4.304# stainless steel 5.ISO9001:2008,CE,BV Xinxiang Hengyu vibratory circular sieve machine, it is efficiently and capable of all types of screening operations for particles, powder, viscous liquid products. It is definitely a good helper in different fields including chemical engineering, medicine, metal metallurgy, food ...