1.High precision, good quality 2.Wear-resistant 3.Best price 1. Material: stainless steel2. Characteristics1) Diameter classification: 75/100/200/250/300/400/4502) Accord with GB6003.1 standards and ISO3310-1:1990 R20/3, R20, 40/3 series3. Application: Widely used in Metallurgy, Coal-mining , Mining and other industries.4. Note: Can be customized according to customer requirements Metal Sieve ...