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Main Customer Logo Front View of Company Office Building Machinery Workshop
Zhejiang Dorrenhaus Hardware Industry Co., Ltd. was incorporated in August 2011, and was restructured
into a Sino-foreign joint venture in May 2015. Our company is a manufacturing R&D enterprise specializing
in the production of medium and high-grade door closers. It is a science and technology enterprise in
Zhejiang Province and a top 100 enterprise in Cangnan County. It has 9 patents and was awarded as a
National New high-tech enterprise in 2017.
In 2014, Dorrenhaus obtained the German EN ISO9001:2008 quality management system certification, and
obtained the Chinese ISO 9001:2015 certification in 2017. The system has been operating effectively for
many years, the production process is standardized, and the product quality is controllable.
The company's existing 7 conventional models have obtained UL 228 certification, 5 models obtained
ANSI/BHMA A154.6 certification, 5 models obtained EN 1154 CE certification, and 8 models obtained China
compulsory product certification, which can meet different market and technical requirements. .
In 2018, our output value was more than 120 million yuan, and its export earned more than 12 million US
dollars. The company's current development trend is good, more than 70% of the products are sold to the
United States, Canada, the European Union and other countries and regions.