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In 2000, Luen Ming was set up the ISO9001 Quality Management System; In
2001 year, Luen Ming finalized our operation mode of survey, production,
promotion and installation; In 2001, Luen Ming was finalized our operation mode of survey, production, promotion and installation;
In 2004, Luen Ming was complied with ISO9001:2000 Quality Management System. Ceritification scope:
Manufacture of Air Duct, Fire Damper, Volume Control Damper, Air Grille and Fan
Cabinet; In 2009, Luen Ming was complied with ISO9001:2008 Quality Management System.
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