Under the principle of bringing forth new ideas constantly,we have
developed a series of TOP ONE” brand door locksets products.
We have been producing the door lockset products in Taiwan for more
than 20 years and acquired ISO 9001 approval on the quality.
Our major door hardware
products include: Door Lockset, Panic Exit Device,Door Closer,
Floor Spring（Floor Hinge）, and Door Accessory. We have been
developing new door lockset products, meet or even exceed the
quality of the world-wide famous brands door lockset products. We
have acquired UL certificate and approval in many of our products.
Among which, our panic exit device products have passed the grade 1
requirements of the American National Standard Institute and
acquired the CE mark of European Union. We are proud of keeping
pace with the big door lockset products manufacturers in the
facility, quality standard, and R&D technology.