... Lianyungang City, Jiangsu Province, China (Production area) 2011/06/03 --- 2014/06/02 GB/T28001-2001 ... Lianyungang City, Jiangsu Province, China (Production area) 2011/06/03 --- 2014/06/02 OG-100 Certificate ... DMG100-8, DMG100-10, DMG100-12, DMG100-16 2011/08/09 --- 2049/12/31 CE CQC CE110706003226 ... , TZ47/1800-25C, TZ47/1500-30C 2011/11/24 --- 2014/11/24 CCC CQC 2003010706074225 All-glass evacuated ...