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36 years of international experience

Supply to international customer base.

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Fireproof and smoke exhaust valve series

BFL 变风量调节阀
DFL 定风量阀
ZH 止回阀
XBF 插板阀
YSF 圆形手动风量调节阀
DF 电动风量调节阀
SF 手动风量调节阀
WSF 蜗轮手动风量调节阀
PYK-SDc-YK 远控多叶排烟口
SFK-SDcDJ-K 全自动多叶送风口
SFK-SDc-K 多叶送风口
PYK-SDc-yk 远控板式排烟口