Henan Zhenggong Machinery Manufacturing Co., Ltd. is a professional expansion shaft manufacturing company that integrates research and development, production, sales, and service. We have a positive, pragmatic, honest, and innovative workforce and scientific and technological talents; Having a sound enterprise management system and strict quality assurance system.

Our company has been committed to the research and manufacturing of expansion shafts, especially high-precision mechanical expansion shafts, for many years. Our products have the characteristics of high working accuracy, large tension force, high load-bearing capacity, easy maintenance, strong adaptability, good reliability, and high cost-effectiveness. The current diameter of the companyø16toø800The manufacturing capability and experience of all series of expansion shafts are widely used in various equipment with winding, unwinding, and slitting functions, such as light metal processing, printing, papermaking, textile and other industries. Especially in the aluminum foil processing industry, it has outstanding advantages.

As of now, our products have served over 100 enterprises and have achieved great success in China*The market performance.  Henan Zhenggong Machinery Manufacturing Co., Ltd. adheres to the business philosophy of "quality assurance, mutual benefit, common development, and dedication to society", implements the quality and service policy of "customer-centric, producing professional products, and providing thoughtful services", and upholds the corporate spirit of "unity and cooperation, honesty and practicality, dedication and innovation". We strive to create a cultural atmosphere of synchronous development between individuals and enterprises, continuously strengthen and expand domestic and foreign markets, and work together with new and old customers to create a better future.