Grate-free hammer crusher, I heard that there is only one manufacturer in China. Which manufacturer is it from? Is there a patent?

Grate-free hammer crusher is the first and patented equipment of Xinxiang Dingli Mine Equipment Factory. Well-known domestic mine crushing and screening equipment enterprises have been focusing on the research and development of hammer crusher for more than ten years, which is reflected in the output, performance and service. You can learn more details in Xinxiang Dingli.