32.6% 29.6% 16.3% 20.4% 0 0 15,000 30,000 45,000 60,000 2,500 5,000 7,500 10,000 05 06 07 08 09 (Millions of yen) Net sales (left scale) Operating income (right scale) 12 Annual Report 2009 Plastics Strengthening of fundamentals and expansion of scale in our four priority product fields.water supply and sewer systems, nursing care, elastomers, and environmental preservation In 1951, Toagosei became the first company in Japan to successfully manufacture rigid PVC pipes. Since then, the Company succeeded this business to its subsidiary Aron Kasei Co., Ltd. Aron Kasei has developed many plastics processing and related materials technologies, and has continuously commercialized all kinds of products based on them. With innovative craftsmanship and high quality as our keywords, we are expanding our sphere of operations to run from everyday products to urban infrastructure for community-building. In the water supply and sewer systems business, we beat rival companies to market with innovative products such as all kinds of small-diameter couplings and small-diameter manholes. We have also developed high-efficiency plumbing piping systems for all kinds of facilities. With the rapid graying of the Japanese population, our nursing care products business has developed a range of toilet and bathing care supplies for the aged, with an emphasis on people-friendly technology. Net sales \28,599 million Operating income \1,791 million Sales by segment Net sales/Operating income