anping hongya wire mesh co., ltd. has advanced digital control machines to produce quality perforated metal sheets with high precision and less difference. the diameter of the perforated metal ranges from 0.3mm to 100mm. the thickness of the perforated metal sheet can be the same as the opening diameter, for example, with stainless steel sheet of 0.5mm thickness, the dimeter of perforated opening can be 0.5mm. perforated metal screen sheet is mainly used in oil field drilling, mine screening, engineering, sifting of grains, decorations and designs of buildings. perforated metal sheet is used for oil filters, as fencing screen for expressway, railway and other construction facilities, used in workshops as well as other constructions as sound isolation sheet, decorative sheet for stairs, environmental tables and chairs, sifting in grains, feed and mines. perforated metal screen sheet is also used in making of kitchenware such as fruit basket, food cover, etc. perforation patterns: round perforations, square perforations, slotted perforations, fish scale perforations, hexagonal perforations, cross perforations as well as some other special patterns. perforated metal screen sheet can be classified into mild steel perforated metal screen; galvanized iron perforated metal screen; aluminum perforated metal screen; stainless steel perforated metal screen; perforated metal sheets of other materials.