His company originally specialized in dismantling automobiles and selling scrap steel, aluminium and copper.
The turning point for the business came in 1991 when he sold 20 tons of used engines and suspension parts to a customer from Kuwait.
[3] Kaiho Sangyo was the largest exporter of used automobile parts in Japan in 2010.
[4][5] Kaiho's operating capacity in 2011 was 1200 vehicles per month, and it exported more than 20,000 engines annually to 74 countries with joint ventures in Thailand, Kenya, Nigeria, Ghana, and Singapore.
The JRS uses a five-level assessment for six items including compression, overheating and mileage.