in 1991, the trademark "Haida" was registered.

in p>1993, the first 639 hydraulic floor spring was produced.

in p>1996, Huzhou xingfa building hardware factory was established, covering an area of 4,6 square meters.

in p>1998, Shanghai kuaite building hardware factory was established in Shanghai.

in p>22, Huzhou xingfa building hardware factory moved to a new factory with an area of 37, square meters. Haida was awarded as "Huzhou Famous Brand Product".

in p>23, Haida introduced the first assembly line in Taiwan Province, and began to research and develop induction translation door products, which were recommended by the Editorial Committee of Olympic Construction Engineering Materials and Equipment as products for Olympic construction projects and major national projects. Haida products began to be exported to Holland, South America, Southeast Asia and other countries and regions.

in p>25, Haida won the title of "Zhejiang Famous Trademark".

in p>27, Haida won the title of "China Famous Trademark".

in p>28, Haida won the title of "National Grade II Safety and Quality Standardization Enterprise" and was awarded as "Zhejiang Famous Trademark" again.

in p>29, it won the "EU CE Certification".

in p>211, Haida started technical cooperation with Tongji University and became the Technical Cooperation and Producer Unit of Tongji University.

In p>212, Huzhou Xingfa Building Hardware Factory was renamed as Huzhou Deguan Gate Control Co., Ltd., and the company occupied an area of 35, square meters.