This collaboration with ECC ceased in the year 1992 .
The company was incorporated in 1963 in technical and financial collaboration with English China Clays Ltd. , U.K , the pioneer and the then world leader in kaolin processing .
This collaboration with English China Clays Ltd. ceased in the year 1992 .
The company was incorporated in 1963 in technical and financial collaboration with English China Clays Ltd. , U.K , the pioneer and the then world leader in kaolin processing .