... to customers' requirementscertificateISO9001-2008StandardBS1387/1985,ASTM A53/A36,EN39/EN10219,API 5LMaterialSPHC,08F,HG5,DF08,Q195/235/345,x42/x52/x62Inspection ... /MonthProcessing technology available:oiled,painting,varnish cgalvanzied,bevelled,threading,with coupling and plastic caps protected,packing in plastic cloths,3PE,FBE ...