.1:heating strip(NiCr material) posses high working temperature ,stable resistance 2:ISO9000,14000,ROHS, REACH 1:heating strip(NiCr material) includes:Cr20Ni80 ,Cr30Ni70,Cr20Ni35,Cr20Ni30,Cr15Ni602:ISO9000,14000,ROHS, REACH3:packing:spool and carton4:18-20tons per container