... .We are located in Ningbo and near to Shanghai . Ningbo Lihong Steel Grating Co.,Ltd has approved ISO9001-2000 Quality Management System and ... ) Australia: AS1657-1988 E) Japan: JJS.Ningbo Lihong Steel Grating Co., Ltd ISO8001-2008 Company & SGSSTEEL GRATING SPECIALIST, YOUR GRATING SOLUTIONSSales Director ...