Henan Ling Heng Machinery Co., Ltd. You can call LHM for short, which located in Zhengzhou city, Henan province, central area of China, is specialized in designing manufacturing comprehensive range of stone crushing machine, shredder machine, dryer machine, pellet machine, charcoal making machine, block making machine, concrete mixer, concrete batching plant, and dry mix mortar equipment with over 30 years experience. Our company is headquartered within the Zhengzhou city, a prime geographic location that has proved to be crucial for the sustained development and expansion of our operation.