Zhejiang Bangtai Machinery Co., Ltd. (formerly Ruian Dongfeng Machinery) was founded in 1987. The main products are: high-speed film blowing machine, automatic punching bag making machine, high-speed gravure printing machine, multi-layer co-extrusion bubble film machine and a full set of plastic packaging machinery and equipment. The products are exported to Eastern Europe, North America, South America, Southeast Asia, Russia, Africa, the Middle East and other regions and countries. The market has responded well and the products are well received by customers.

The company adheres to the tenet of "Science and Technology Innovation Makes Enterprises Soaring", and follows scientific and institutionalized management. Each batch of equipment is strictly inspected and qualified before leaving the factory.
The company's full-time R&D team continuously improves and upgrades products and technologies. More than ten products such as the overall film blowing machine, letterpress printing machine, and automatic high-speed bag making machine have passed the provincial product appraisal. Obtained dozens of national patents.