... Introduction It is a kind of new and efficient
muffler elbow, using microplate as sound-absorbing components.It can be ... , advanced technology and sophisticated processing.2.Easy structure, bearable
for impact of high temperature airflow, keep dry, fireproof, anticorrosive ... have reached national standard GB/T 4760-1995
Muffler Measurement> and industry standard HJ/T 16-1996