タイトルまたは説明

Its products include bronze sintered filter elements, pneumatic components, one-way throttle valve, exhaust muffling throttle valve, muffler, mini governor muffler, sintered stainless steel silencer, sintered filter elements, plastic muffler, plastic porous filter, powder compacting press, copper base and ferrous oily bush, various kinds of gear;fluorine self-lubricating bearings, labor- saving quick jojnt,