ILYANG CHEMISTRY
ILYANG CHEMISTRY
ILYANG CHEMISTRY
ILYANG CHEMISTRY
CERTIFICATE
Won a utility model patent for antimony trioxides (Sb2O3)
Registered the design for the reverberating furnace for antimony trioxide
Registered the design of the reverberating furnace for manufacturing antimony trioxide
1989.6
ISO 14001 Certificate
(Korea)
2014.3
Won a patent for methods for manufacturing the nanopowder of antimony pentoxides
ISO 14001 Certificate
(english)
2014.3
ISO 9001 Certificate
(Korea)
ISO 9001 Certificate
(english)
1989.6
2004.5
2005.4
1993.9
2004.5
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