Zhejiang Zhengrun Machinery Co., Ltd, established in 1997, is the earliest brand in China to engage in the production of packaging equipment. It is the earliest brand in China to carry out packaging equipment production business. The company is mainly engaged in mainly engaged in the research and development, design, production and sales of rigid box machinery and box making machine. The company was awarded as national high-tech enterprise, national intellectual property advantage enterprise, provincial enterprise R&D center.