Construction technology. After 20 years’ development, WLBDE has accumulated abandant experience in curtain wall construction technology. From special-shaped curtain wall for high-rise tower, steel-aluminum composite panel curtain wall, the unexposed hyperboloid framing curtain wall on “Oriental Pearl TV Tower” in Shanghai; from the first unitized curtain wall of Hualian Building in Ningbo, to the super high unitized curtain wall of KingMo Tower in Shanghai; from the steel aluminum composite、super-large、super-weight unitized stone panel curtain wall used for the China Life Insurance Building in Beijing to the energy-efficient unitized curtain wall of National Electricity Despatching Center in Beijing; from the cable flexibly-connected panel curtain wall of Pittsburgh International Convention & Exhibition Center in America to the double-skinned curtain wall of Beijing Residence (Xingyuan Building), the engineering technology of WLBDE has been keeping ahead in the curtain wall engineering field. The “Hoisting and Installation System for Curtain Wall ” has gained the invention patent awarded by The State Intellectual Property Office of the People's Republic of China (SIPO), and other 4 construction technologies such as “Installation and Launching Vehicle for Curtain Wall” has been awarded the title of Practical New Patent by SIPO.