My company's quality management system is in accordance with ISO9001 standards established in strict accordance with the quality system operate effectively. Factory production of stainless steel punching Longitudinal spiral welded pipe. Used for sand control protective sleeve, oil., Natural gas, liquid, air filter frame, liquid, gas, steam, spread light oil filter tube skeleton, electromagnetic shielding, muffler pipe, the exhaust pipe tube, safety devices , structural components, power plant condensate water filtration industries; sterile water, ultra pure water pre-filtration treatment; industrial water, electroplating solution filtration; hydraulic system filter skeleton, skeleton filtered compressed air system, petrochemical dedicated filter tubes Main material: 304,304L, 316,316L stainless steel punching net. Specifications: can be customized according to customer demand, no length limit. Features: Weld uniform compression and strong. It can be used for filter frame, support force, roundness, straightness. Compared with the same length of spiral welded pipe weld length is reduced by 30 to 100%, and higher production rates. According to the material, size, post-processing, so the price is not the same. Negotiable If necessary, please contact us, we look forward to working with you!