What does it mean to build a strong chain?

Building a strong chain is a pragmatic move to promote the upgrading of industrial bases and the modernization of industrial chains, and a long-term plan for high-quality economic development. At present, chenghua district is actively seeking a position, giving full play to it and making contributions in building a strong chain in the city, focusing on "supplementing the front end, strengthening the middle end and extending the end", vigorously promoting the chain strengthening and extension of a strong industrial chain, deeply implementing the "five-energy upgrading project" of industrial upgrading action, accelerating the development pattern of "enterprise agglomeration, industrial cluster and carrier integration", continuously improving the quality and efficiency of economic development, and starting the construction of a hard-core strong zone.