set up specialized classes for seven industrial chains, including nylon hydrocarbon new material industrial chain and equipment manufacturing industrial chain.

According to the data of People's Daily Online, since 2123, Ruzhou Economic Development Zone has been built around the "2+2+3" modern industrial system, and established seven industrial chain special classes, including nylon hydrocarbon new material industrial chain and equipment manufacturing industrial chain, to promote the industry of Economic Development Zone to become bigger and stronger. For key enterprises and projects under construction, the cadre subcontracting responsibility system will be implemented, and a working mechanism of regular visits to services will be established to help enterprises solve practical problems in development and promote service upgrading. At the same time, give full play to the coordination function of the Economic Development Zone, collect the needs of enterprises in time, establish a consultation mechanism for major issues of enterprises, and conduct consultations and exchanges at the first time to help enterprises become bigger and stronger.