Weifang Longji Building Materials Equipment Co., Ltd. was built in Weifang in 1986, located in scenic Dongcheng Development Zone, Linqu County, Weifang, Shandong Province, China. As a modern enterprise, Weifang Longji is a professional manufacturer of mortar production lines and magnetic separators lines. Our main products are as follows: Dry mortar production line equipment: mixer, packing machine, bucket elevator, air compressor, dust remover, screw scale measurement system & control ...