LG International Corp., a trading arm of LG Group, said Wednesday it has decided to buy a 29 percent stake worth US$92 million in a urea plant owned by Boyuan Group of China to tap the coal-based chemical market there. The bid to buy a stake in the Bodashidi plant, currently under construction in China\'s Neimeng region, was approved by the board of LG International, the company said in a regulatory filing.