Training about the aluminium profiles for sliding window/door & casement window/door. How could we make the sliding or casement window & door perfect ? Not only depends on the surface&design. every measure of the detailed place is every important. So we not only just sell aluminium profiles & window/door. also provide professional advice for the projects.From the aluminium profiles to hardware &many other details. Different cases could help to understand clearly. Customers here at site, even they are not window&door maker, they just aluminium profiles distributor, could understand well and shown a good performance during todays’ training!