Central air -conditioning technology exchange 3 Comments / Default / By huanggs How can there be a central air -conditioning installation and maintenance technology exchange QQ group or forum ...
3 thoughts on “Central air -conditioning technology exchange”
The second group of HVAC alliance 59997363
120114787 Building decoration air conditioning supporting resources
Go to Baidu Tieba, you may find it, the QQ group builds one by itself, and then recruit people who are Tongtong to come in, it's so simple.