Different from traditional round pan feeders; Butterfly trays grow with birds as they age for more efficient feeding.
Founded in 1958, Chongqing Chuandong Chemical (Group) Co., Ltd., headquartered at No. 70, Danzishi New Street, Nan'an District, Chongqing City, is known as the "Top 10" enterprise in China's phosphorus chemical industry and as one of the vice president member of the China Inorganic Salt Industry Association.