Global investment firm Kohlberg Kravis Roberts & Co. (KKR) has invested an additional US$200 million in Vietnamese consumer food products company Masan Consumer through a combination of primary and secondary shares. KKR previously invested US$159 million in the company in April 2011. Masan produces condiments, convenience foods and instant coffee. Separately, KKR invested an additional US$40 million in Chinese water treatment and recycling solution provider United Envirotech after purchasing US$113.8 million in convertible bonds in October 2011.