1. Material: 304 and 316 stainless steel, Monel, nickel alloy, etc. 2. Process: Made by welding special trapezoidal wire and triangular wire coils on a set of support wires arranged in a circular pattern. 3. Characteristics: Non-obstructive, high strength, large flow rate, good temperature change adaptability, durable. 4. Application: Widely used in power plant equipment, petroleum, pharmaceutical and chemical, coal, metallurgy, paper, food and beverage, beer production, environmental protection and other industries for the filtration and treatment of industrial water such as feed water and condensate.