The industrial development includes the dual development of market and technology.Thus this paper proposes the concept of core industrial chain based on the analysis of core technological chain.What is more,in the process of industrial transition,the technological development of leading enterprises in consumer electronics industry represents positive cooperativity between core technological chain and core industrial chain.But because of the lack of technological accumulation,the chasing enterprises as CHPAVC could only cut in from the low end and progress gradually to the high in the core industrial chain,which manifests as negative cooperativity.