Main materials are stainless steel braid, stainless steel sintered carpets,brass network, aluminum foil net. Shapes are round, waist-shaped, rectangular, circular, elliptical,

etc. Its material layers are single, multi-layered. Packet edge materials: aluminium, stainless steel plate, galvanized sheet, plate, rubber and other special materials.

Filtering accuracy, and its dimensions can be produced in accordance to user's needs.