PSC has installed 4 composite and 3 mini seed processing Plants having largest annual capacity of 90,000 M. Tons with advance technology of drying, ginning, processing, delisting, grading, treating, testing, bagging, labelling & sealing of seeds. The machinery of Cereal Seed Plants located at Sahiwal, Khanewal and Rahimyar Khan was purchased in the year 1978-79, whereas the Seed Plant located at Piplan was purchased subsequently in the year 1997-98. The operational activities of cereal plants at Khanewal, Rahimyar and Sahiwal started in the year 1983, 1987 and 1988 respectively while that of cotton ginning plants in Khanewal and Rahimyar Khan started operating in 1984 and 1985. The acid delisting plants installed at R.Y. Khan and Khanewal started functioning in the year 1998 and 1999 respectively. The seed processing plant Piplan, District Mianwali was established in the year 1997-98 and starting operation in the year 2000.