HENGKO Powder Metallurgy Co., Ltd.Sintered filter cartridge: stainless steel sintered filter, sintered bronze filter, multi-layer stainless steel sintered mesh, sintered filter, filter powder metallurgy, powder metallurgy sintered filter, sintered bronze filter, sintered stainless steel powder metallurgy filters, sintered metal powder filters, sintered porous filter, five sintered stainless steel mesh filter, muffler BSL, muffler BSLM, muffler exhaust throttle BESL, muffler exhaust throttle BESLD, copper / stainless steel sintered ( filter, cartridge, filter tube, filter, filter), porous sintered filter material.