Some farms in the province, one of the country's major pig breeding areas, are reported to have fed pigs with ractopamine, banned in the country, to promote production of lean meat, with the contaminated pork sold to the market and Henan Shuanghui Investment & Development Co Ltd, the country's top meat processor.
http://thestar.com.my/news/story.asp?file=/2011/3/16/worldupdates/2011-03-16T151826Z_01_NOOTR_RTRMDNC_0_-556225-1&sec=Worldupdates