In 2004, Zhongkeng Technology proposed the concept of InPlant plant information and automation overall solution, and has now been able to provide a variety of products and system solutions for the pulp and paper industry。Through the digital solutions provided by the central control technology, the digitalization and control integration of papermaking enterprises can be realized, and the purpose of helping papermaking enterprises to achieve safety, environmental protection, quality improvement, cost reduction and efficiency increase can be achieved。Nowadays, all kinds of solutions of central control technology have been widely used in various production systems in the pulp and paper industry。