Question: Where is the company head quarters that makes the GU230 mobile phone?
Related documents: [0]  [DOC] LG Electronics Inc. ("Lucky Goldstar") (Korean: LG전자 ) is a South Korean multinational electronics company headquartered in Yeouido-dong, Seoul, South Korea, and is part of the LG Group, employing 82,000 people working in 119 local subsidiaries worldwide. With 2014 global sales of USD 55.91 billion (KRW 59.04 trillion), LG comprises four business units: Home Entertainment, Mobile Communications, Home Appliance & Air Solution, and Vehicle Components, with Starion India as its main production vendor for refrigeration and washing machines in the Indian sub-continent. The CEO of LG Electronics is Bon-joon Koo, who assumed the role of vice chairman of LG Electronics on 1 October 2010. [END] 
[1]  [DOC] The "GU230" is a mobile phone manufactured by LG Electronics. The phone is designed to be low cost, and provide the essentials. [END] 
Answer: 
Yeouido-dong, Seoul, South Korea,
Yeouido-dong, Seoul, South Korea,