Established in 1999, Shenzhen Douwin Technology Co., Ltd. has been devoted to independent research and development,  production and sales of environmental reliability test equipment and power aging test equipment for 20 years. Douwin is a national high-tech enterprise.

Based on years of experience and continuous technological innovation in the industry, Douwin made a great breakthrough in Chamber energy saving,and launching new multi-temperature storage energy saving Chamber in 2018. It was the first one in the industry.

Energy saving rate can reach 43%. which was selected the list of key technical projects of Shenzhen Science and Technology Development Commission in 2018.