Wheels India trucks and tractors will invest over Rs 70 crore this year on expansion. A significant part of the investment will be for growing the exports market. The company has plants at Padi and Sriperumbudur in Tamil Nadu; Pune, Rampur, Bawal and Pantnagar with overall annual capacity of 15 million wheels. While over 80 per cent of the business comes from the domestic market, the company exports wheels for off-road construction equipments and agricultural applications to Japan, Korea, US, Brazil, Belgium, South Africa, China and Indonesia. Wheels India had earlier this fiscal entered into a technical agreement with Topy Industries, a leading Japanese steel wheel manufacturer, for process, design and development of car wheels.