Zhejiang Zhengwei Machinery Co., Ltd. was established in 2007 and located in the south Zhejiang coast, the East China Sealt. It is a famous Chinese machinery manufacturing city - Ruian City, Zhejiang Province.

The company adheres to the design concept of high efficiency and environmental protection, with the mission of reducing white pollution, and is committed to the research and development, production, manufacturing, sales, and service of equipment such as non-woven box bags, plastic 3D bags, new structure paper square bottom bags, and pp 3D bags. In long-term practice, the company has gradually formed a business philosophy with independent research and development, design and manufacturing capabilities as its positioning.