The concept of value chain was first proposed

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suitable position for yourself in the market segment. Preliminary understanding of the value chain Any market segment is a complete ecosystem. This ecosystem includes multiple roles such as factories, brands, channels, consumers, service providers, etc., as well as business links such as procurement, production, logistics, marketing, and sales. Each Characters include multiple different players. At the same time, the entire business process is also a process in which product value continues to increase. For example, mobile phones, from the


various electronic components in the most Afghanistan WhatsApp Number upstream to the exquisite products finally delivered to users, manufacturers in every link are providing value to the downstream. The various links that constitute the business chain in a market segment are called value chains, and the method of analyzing industry segments through the value chain is called value chain analysis.  by strategic consulting guru Mike Porter in his book "Competitive Advantage" in Mike Porter divides corporate activities into two





parts: main activities and auxiliary activities. The main activities are the main processes of product value-added, covering activities such as procurement, production, logistics, marketing, sales and service. Auxiliary activities are used to add value to auxiliary products, such as corporate human resources, production and office space construction, etc., which are all auxiliary activities. Along the process of product value-added, from large to small, the value chain can be divided into three layers. The first level is the industry value chain , which