... Size: 8',12',200mm,300mm,75mm Feature: high precision, good abrasion resistant and corrosion resistance Metal ... brass,stainless steelDiameter:8'',10'',200mm,300mm,75mmFeature: high precision, good abrasion resistant and corrosion resistanceSpecifications of metal ... which used for military and civil has a high reputation in China.2) We have mature ... skilled technical workers. Wire cloth lab test sieves