... opeing: 0.3-15mm shape: round, square, rectangle,waisted, SS crimped wire mesh discs certificate: ISO9001wire dia: 0.03-2mmopeing ... : 0.3-15mmshape: round, square, rectangle,waisted, elliptic, ... machines, food processing equipments, filtering equipment, and so on.can used in sieving filter under acid, alkali conditions, ...