This is an inquiry message about "ventilation system with heat recovery" in the 107th China Canton Fair. (这是一条买家关于"ventilation system with heat recovery"的询盘信息，来自第107届中国广交会。)Inquiry Message (询盘信息) ventilation system with heat recovery we are interest about your product ventilation system with hwat recovery 150-1000 m3-h I want to receive: Product Spec . Price Payment . Contact Info (联系信息) passivhaus bg Boris Tsenkov tsenkow@abv.bg 359-2-8379831
