Qingshan Machinery Co., LTD was founded in Cangzhou,Hebei province in 1987. The corporation engages in researching, designing andmanufacturing products for livestock and poultry husbandry. Besides producingand offering feed system, nipple drinking system, ventilation and coolingsystem and environment control system, it also engages in the projectdesign and construction of modernized farms for broilers, breeders, layers andpigs, as well as green houses. It is a hightech enterprise that boastsof fast development and top-ranking technique in the world.