详情
the air vent head is used for all kinds of ships for ventilation
,flange connection is according to the cusomter requirements
.GL,LR,BV,DNV,NK,RINA ,ABS, TYPE APROVAL CERTIFICATE . Our main
products :marine air vent head ,seawater filter ,mud box,small
hatch,and so on the air vent head is used for all kinds of ships
for ventilation ,flange connection is according to the
cusomter\\\'w requirements .GL,LR,BV,DNV,NK,RINA ,ABS, TYPE APROVAL
CERTIFICATE . Our main products :marine air vent head ,seawater
filter ,mud box,small hatch,and so on
