Danterry offers an on-site instruction of balanced door installation for their customers. The Nan Fung commercial building is located in Kwun Tong, H.K., configuring totally 11 balanced doors in this building. Nan Fung Group had sent people to Danterry in Taipei for installation training in August this year. Danterry sent one technician to H.K. and stayed for three days. First day to hold a meeting with the owner and contractor for the installation, second day to install the frames and the hardware on door leaf, and the last day to put the door leaf on. The instructor from Danterry also pointed out few defects in the process of installation for the erectors to improve their skills for their following installation works.