... SCH5 TO SCH160,STD,XS,XXS LENGTH:Max 12 MetersSURFACE TREATMENT:Black painting, black varnish, or Glavanized as per customer’s ... to ISO9001:2000 standard strictly.5. Application: for use in the Pulp and Paper, Water Treatment, Sewage Treatment, Chemical, Biotech, Pharmaceuticals, Food, Mining, Architectural ...