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 See more+