Center tube has high precision perforated tube with standard oil and glove tubes

Center Tube has unique spiral pattern  :

Huatao Wire Mesh Factory also developed together with the relevant scientific research organizations series filter products for petroleum chemical filtration: Oil sand control screen (anti-sand filter blocks), spiral welded stainless steel filter tube (spiral welded pipe), straight seam welded stainless steel filter tubes, well received by the oil field customers.

Center Tube has unique spiral pattern