Dongying Zhengyi Packaging Co., Ltd. (Stock Code: 872880) was put into operation in 2012, with a total investment of 220 million and an area of more than 200 mu. It is a comprehensive enterprise integrating design, R & D, production and service. It focuses on providing professional "integrated packaging solutions" for high-quality customers at home and abroad. Its main products and services include medium and high-end paper bags, industrial paper plastic packaging products, food packaging, new polymer material packaging products, packaging scheme design, supply chain optimization and related supporting services.

As a professional "integrated packaging solution" service provider, adhering to the policy of "reputation is the magic weapon and quality is the soul", we have formulated a set of scientific, reasonable and rigorous standards from the aspects of product R & D, material selection, production and inspection, and successively passed ISO9001-2008, ISO14001 and other certifications. The enterprise has a large-scale automatic and intelligent production base, 4 factories and more than 50 middle and senior management talents. After several years of rapid development, it has established strategic cooperative relations with many listed companies. With product quality and brand effect, its sales network has covered most provinces, cities and regions in China, and has developed export business to the United States, Canada, Turkey, Denmark, Thailand, Vietnam and other countries and regions. Its products are favored by customers.