Glass for Windows and Doors 1.tempered and safety glass 2.BS,ANSI,ROHS,CCC,CE, ... accordance with ASTM 1048-97 U.S. Standard;ANSI Z97.1-2004In accordance with BS 6206 British StandardIn accordance with EN12510 ... cooperation,Mutually benificial, Joint development Management Certification BS6206,ANSI Z97.1-2004,ROSH,CCC,CE,EN,ISO9001 high clear glass for windows ...