Ehsan Sadeghi - DVM, Resident of food quality control of Tehran University and the chief of Manizan dairy company R&D
Sumayeh Bohloli Oskoii

Quality control is an essential part of production and is needed at every stage of manufacture. Parts must be correctly made or they will not fit properly. The finished product should be free from defect. Poor quality control leads to slow and expensive production. It also loses customers and sometimes results in expensive recalls. In British and American factories quality control is the work of skilled inspectors who examine parts and finished products. German and Japanese factories involve the workers themselves in quality control. Groups check their own output and make suggestions to improve quality. The Japanese “quality circles” involve workers and managers. The high standards achieved in this manner bring lower costs and more satisfied customers. Many American companies are now instituting such circles