... )certificate:BV,SGS ,ISO 3)Brand:TISCO,LISCO,JISCO,,ZPSS cold drawn bright steel bar BrandBAOSTEEL, JISCO, TISCO , LISCOCertificateBV,SGSSurface2B, ... conductivity, low thermal expansionAdvantagesStrong corrosion and decorative effectPayment30% TT in advance , the balance L/CContact wayTel+86-13752498203Skypeyctsteel02 Surface ... and prefer reflexivity can to be the mirror. cold drawn bright steel bar