Qingdao Tenglong Aluminum Co., Ltd. was founded in 1998 and has the national Class I qualification of metal door and window engineering. The company has established partnership with SCHÜCO International KG, Germany to produce the aluminum doors and windows of Germany SCHÜCO systems as well as those of the self-developed Teng aluminum systems, and the company has entered the research, development and production of passive building doors and windows.

About Tenglong Aluminum