... began to introduce the special technology from Sanko Air Plant Ltd. in Japan to design and manufacture rotary feeders. UP to now ... , ROD, RVB, HR, GR*, AGR*, MGR*(*IS Sanko Air Plant Ltd technology). GRL, GRV, ROD, RVB have 28 machine number, 50 ... transportation capacity reach 0.5-200 t/h, is used in medium multiplicity, powder and granule, Pressure is -0.08----+0 ...