/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: thawzinmech https://cdn.slidesharecdn.com/profile-photo-thawzinmech-48x48.jpg?cb=1629661646 HVAC System Design, Installation and Maintenance (Chiller and VRF System) Solar System Design and Installation Building M&E Engineering and Maintenance