All-welded wire sieve available around-style stainless steel or carbon steel (spray, galvanized) made of, as long as for oil, gas, sand wells, chemical industry, papermaking, water treatment and other industries, and the plate was used for more than water processing and paper industry. Gap Size (mm): 0.02,0.04,0.05,0.1,0.15,0.2,0.25,0.30, ... ... 3, in accordance with the requirements of arbitrary adjustment support. Note: The outer diameter sieve with the choice of sieve size on the article. Sieve diameter φ33 ~ φ500 between 200-6000mm in length between the user requirements can be processed. Pre-filled double-decker double-decker sieve sieve pre-filling is the diameter of different single-layer wire sieve around together in the double-sieve ring formed by pre-filling the space after the quartz sand to lay a solid foundation closed, to ensure filling quartz The dense sand, fastening to the "sand砂防" effect, can reduce the time construction work, quick effect.