We are join venture company between TOA Group and Sankyo Rikagaku (Japan) a manufacturing company of coated abrasive papers for over 12 years in wood automotive metal, plastic industries and serving domestic and overseas markets.'We are join venture company between TOA Group and Sankyo Rikagaku (Japan) a manufacturing company of coated abrasive papers for over 12 years in wood automotive metal, plastic industries and serving domestic and overseas markets.