，山东正大空调边墙风机销售中心。WEX-500D4边墙风机、wex-500d4边墙式排风机、WEX-500D4-0.37边墙式轴流风机WEX-500E4边墙风机、wex-500ex4防爆边墙风机、防爆边墙式风机WEX-500EX4
WEX-500D4-0.4边墙风机WEX-500D4
七、 WEX-550D4边墙风机WEX-550D4风机、wex-550d4边墙式排风机、
WEX-550D4-0.55边墙式轴流风机,WEX-550E4边墙风机、wex-550ex4防爆边墙风机、WEX-550D4防爆边墙式风机、WEX-550EX4外墙风机带防雨弯头、重力式止回阀。
WEX-550D4-0.5边墙式风机wex550d4