Shijiazhuang Rongxin Science and Technology Co.,Ltd.: High quality, ISO9001, GMP standard manufacturer for powder transport machine. Specialists of dust-free feeding station, vacuum conveyor and tube chain conveyor, bucket elevators, double cone mixer etc. Automatic machinery provide consistent and reliable supply, transfer, and infeed of dry bulk material to processing and production operations. Widely used in food, chemical, pesticide, pharmaceutical, dye, pigment, metallurgical.