... ◊APPLICATIONApplied to pumping such liquid which is not clean, with solid matter or frictional matter, low viscous, lcorrosive, ... rolled silicon steel sheet, with high-speed punching, improve the efficiency and precision3. Double sides mechanical seal graphite&ceramic4. Demagnetization of ... u,we always take quality as first consideration. with top quality,best price,good service,and our water ...