materials: 304,316,316 L stainless steel

 Specifications:The diameter(50-300mm), the thickness(0.8-3mm),the length(less than 10m),the hole type(bridge,round hole and so on) of the Spiral Welded Pipe we all can produce !

 Manufacturing processes:hole punching -vol Spiral round-(TIG then)-molding

Characteristics :weiding line uniformity,high resistance to compression

Used for petroleum,oil extraction,chemical , sewage treatment equipment , filter impurities in water purification .

the specifications and materials of hole punching can be producedand installed in accordance with the needs of users.