This is an inquiry message about Sound-retardant door in the 108th China Canton Fair. (这是一条买家关于"Sound-retardant door"的询盘信息，来自第108届中国广交会。)Inquiry Message (询盘信息) Sound-retardant door I am looking for a ballpark cost of a 36"" door opening with an STC rating of 50. Contact Info (联系信息) Janet Porter K8H2H9 Company: Dept of National Defence Canada E-mail: janet.porter@forces.gc.ca janet.porter@forces.gc.ca
