In 2005, NANAO ELECTRIC upgraded Automatic Insulating Oil Dielectric Tester, which reached the leading domestic on this level; In 2005, Restructured with early South Australia Ereallk Gas company, Nanao electric company set up; In 2006, NANAO ELECTRIC has passed Quality Certification of National Quality Supervision Center; In 2008, NANAO ELECTRIC has is first oversea order exported to Germany by sea from Shanghai Port; In 2010, NANAO ELECTRIC Co., Ltd. awarded “Trustworthy Enterprise” ; In 2014, Cooperation with South Australia Ereallk is finished, a year and a half later NANAO ELECTRIC set up.