Kalantari made the remarks in the opening ceremony for the second exhibition on cooperatives sector's capabilities in Tehran.
He said such exhibitions are an opportunity to create the atmosphere for dialogue and development of interaction between cooperatives sector and people.
He underlined necessity of brand building for cooperatives, which may give them more sustainability in the market.
The deputy minister said that brand building means higher quality for products and using standard for them.
More than 120 cooperative companies from different provinces of the country attended the exhibition in the sectors of production, distribution and services.
Holding experts' sessions on the sidelines of the exhibition is part of the three-day fair.
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