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.
 
Company's products are widely used in major well-known places, such as:
Hong Kong Plaza, British industry Tatsu (Shanghai) Co., Ltd., Guangzhou Pazhou Exhibition Hall, Shanghai Grand Theatre.