As one of the first group of manufacturers specializing in door control in China, KaiDa Hardware Decorate Co. Ltd. which is established in 1988,developed the first generation of floor spring for aluminium material door. It was awarded as an outstanding industrial and commercial enterprise of GuangDong Province, and in the same year its products were recommended and appointed in use by the Ministry of construction. The “JUSTOR” brand was created in the year when a new plant was completed and inaugurated in June 1998. This was a start of transition to the new specialized building hardware and developing the global market strategies. It had been granted by the quality system of ISO9001 GaoBAo,U.K. in September 2000. The company was approved of being a member of the National Construction Decoration Association in November 2001 and became a director of GuangDong Quality Management Association in January 2002. “JUSTOR” was awarded to be an excellent brand of GuangDong Rural enterprise.