Zhejiang Zhengwei Machinery Co., Ltd. started in 2007 and is a national high-tech enterprise. Since its establishment, the company has focused on the research, production, sales and service of non-woven flat pocket, three-in-one, five-in-one and plastic bag making equipment; Adhering to the design concept of high efficiency, energy saving and environmental protection, the company developed the world's first ZW-A8 (Leading) one-time non-woven three-dimensional bag making machine in 2010, and obtained many national invention patents and new practical patents; Innovation is an important factor in shaping the future. In 2016, the first PP three-dimensional bag making machine was created. In 2017, it was again innovated. The HDPO one-time forming three-dimensional bag making machine was successfully developed to create a new bag for the customer in the body bag industry. Focusing on achievement professionalism, professionalism has created excellence. After more than ten years of development, the company has become the world's most professional manufacturer of three-dimensional bag making machines.