Shandong Zhengjia Machinery Co., Ltd. is a manufacturer specializing in research, development, production, and sales. Our main products include: fertilizer spreaders, manure spreaders, manure spreader trucks, fertilizer spreader trucks, spreading machines, material spreaders, and ash spreaders. Our products are sold across the country.

Customer satisfaction is the standard for Shandong Zhengjia in evaluating product quality, and continuously providing satisfied products is Shandong Huifuyong's relentless pursuit. The company will always adhere to the principle of "Quality First, Customer Supreme," strive for excellence, pursue betterment, and keep pace with the times!

The company has established a rigorous quality management system. We ensure product quality through strict management and achieve customer satisfaction with excellent service. Our products have been included in the national supported and promoted machinery product directory. We have established a comprehensive service consulting system, providing pre-sales, in-sales, and after-sales services to ensure products and services go hand in hand. Shandong Rongyuan Machinery Co., Ltd. has always adhered to the business philosophy of "surviving through quality and developing through reputation," continuously innovating, strengthening ourselves, and striving to provide customers with satisfactory products and services through good management and capabilities. We look forward to building a good cooperative relationship with a wide range of users.