Technology development

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Current status of patent application and registration

Patent No. Application No. Application date Registration date Inventions
10-0683194 2006-0086037 Sep 7, 2006 Feb 8, 2007 Al-Si-Zn alloy ingot for plating
and its manufacturing method
10-0902401 2007-0089469 Sep 4, 2007 Jun 4, 2009 Electric arc furnace
dust-containing zinc
smelting powder for
smelting and its
manufacturing method
10-0866473 2008-0026369 Mar 21, 2008 Oct 27, 2008 Method of regenerating
zinc from zinc dross
10-0947514 2009-0029457 Apr 6, 2009 Mar 8, 2010 Method of manufacturing
high- purity zinc oxide
from zinc dross

Certification by Korean Industrial Standards (KS)

Certification No. Date of certification Standards No. Standards Remarks
06-0318 Aug 2, 2006 KS D 2311 Zinc alloy ingot for die-casting Type 2
06-0319 Aug 2, 2006 KS D 2330 Aluminum alloy ingot
for casting		 Ingot Type 4 C1 (AC4C.1)
06-0320 Aug 2, 2006 KS D 2331 Aluminum alloy ingot
for die-casting		 Type 12 1 (ACDC 12.1)
13-0175 Mar 20, 2013 KS F 3501 Asphalt pavement fillers -
In our R&D Center, the development of diverse alloy products including Al-Mg Series for aluminized steel sheets and
Al-Si Series for coated automotive parts has been in progress in accordance with requests from manufacturers.