Kaida Hardware Decoration Limited Company was established in 1988. As one of first China’s professional door-contact products manufacturers, the company developed the first generation aluminum door and floor spring as was chosen as Excellent Industrial and Commercial Enterprise by Guangdong Province in 1996.In the same year, the products were also recommended as assigned using products by Chinese Construction Department. In June 1998, the new factory was completed and the brand of JUSTOR was established in the same year. The company started its transition to new-generation professional construction hardware manufacturer and carried out global market developing strategy. In September 2000, the company passed Britain ISO9001 Quality authentication system, and was ratified as a member of Chinese construction decoration association in November 2001.In January 2002, the company was chosen as the executive unit of Guangdong Province Quality Management Association, and JUSTOR was also graded as famous quality brand of Guangdong village and township enterprises.