A well-known enterprise in Shandong Province, China, Jinan Langzheng Machinery Equipment Co., Ltd., is located in Jinan City, China. "Langzheng Machinery" is a large-scale producer in the Chinese drying equipment industry, with independent import and export rights. "Langzheng Machinery" has passed the ISO9001:2000 quality certification system and strives for excellence in the industry. For many years, the company has been engaged in the research and development of extrusion equipment, operating single/dual screw extrusion machines, ovens, dryers, snack food production lines, pet food production lines, and tissue protein production lines, and possesses strong capabilities in the design, manufacturing, and engineering of non-standard equipment, with significant achievements.