... wire, stainless wire mesh, nylon silk screen, stainless steel, copper, and alum.2.Characteristics: wear-resisting use convenient suitable for grading screening.3.Usage: Screening mesh product ... , 6cm, 8cm, 10cm, 20X5cm, 30X5cm,Sub-sample screen, Chinese medicine sieve, grain selection screen:Diameter 10X5cm, 15X5cm, 20X5cm, 25X5cm, 30X6cm, 40X7cm ...