About Douwin

Shenzhen Douwin was founded in 2005, which devotes to the independent R&D, production and sales of environmental reliability testing chambers for nearly 20 years.


As a national high-tech enterprise, we provide testing equipment and technical services for many well-known enterprises at home and abroad. In order to answer the national call for energy saving and emission reduction, Douwin devotes to the development of energy saving technology of environmental test chamber.


In 2018, we has introduced multi-temperature cool storage energy-saving test chamber and energy-saving transformation service. The core technology is multi-temperature cool storage, which has been shortlisted in the 2018 technical key project of Shenzhen Science and Technology Innovation Commission, and it was awarded 3 invention patents.