China-based bio-additive company Pucheng Lifecome has made an investment to build up the technological transformation project and supporting facilities for colistine sulfate. 

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Previously, Lifecome finished its bacitracin zinc series production line, bacitracin methylene disalicylate series production line and food preservative natamycin series production line. The colistine sulfate project will be open to the market in the second half of 2011.