

COMPANY PROFILE
We are established in 1980.
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.
NEWS CENTER
©SHANGHAI TONGGUAN Hardware Co., LTD.
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