The new Industry 4.0 concept gives new development opportunities to large enterprises. It allows you to build a competitive advantage in the market and significantly increases their competitiveness. However, a question arises as to what about small and medium enterprises? They have incomparably less opportunities to raise capital to modernize and automate their infrastructure. They are unable to create together fully automated factories of the future.The article attempts to identify the possibilities of building production networks by small and medium-sized enterprises, which will be able to jointly create modern factories as part of the Industry 4.0 concept. This creates many new opportunities for the development of small and medium enterprises, but it is also a huge challenge. The aim of the article is to identify the most important problems that SMEs have to overcome in order to build modern production networks together.Keywords: Cyber Industry Network (CIN), metallurgical production network, Industry 4.0, SME's
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