DORFNER

kaolin, talcum, feldspar (as raw-material for industrial purposes), quartz powder (not for building purposes);

quartz sand (also dyed), quartz powder (for building purposes), kaolin fireclay, hard substances as additional substances for building materials, colored sands (also silicatic or bound with synthetic resin and/or silanized;

services of a franchiser including advertising, consultation in organizing, industrial management, technical and personnel questions, market research, sales promotion