... Machine CO.,LTD is Iocated at the downtown of Hongtang JiangBei District of NingBO city,which on the coast of the East china Sea ... proper of NingBo and enjoys convenient reach of transportation,either by air,sea,or by railway,highways to all parts of the ... steel silencer,sintered filter elements,plastic muffler,plastic porous filter,powder compacting press,copper base and ferrous oily bush,various kinds ...