Business ecosystem refers to an economic consortium composed of organizations and individuals  Its members include core enterprises, consumers, market intermediaries, suppliers, risk bearers, etc  to a certain extent, it also includes competitors  These members form a value chain
Philips cooperates with American Telephone and Telegraph Com and Siemens of Germany
 Different chains are intertwined to form a value network, through which material, energy and information flow and circulate among the members of the consortium, So as to form an overall competitive advantage