Some leading drugmakers rely on other commodities heavily in 2011 sales

Jeil Pharmaceutical and Yuhan Corporation were shown to excessively depend on multinational companies’ original brands in their sales portion in 2011, it was learned by data released Yakup.com, a pharmaceutical information company.

The highest dependency ratio of other commodities to their gross sales in Jeil was 55 percent, followed by Yuhan with 52 percent and Green Cross Corp. with 44 per...