Ningbo Donghuan Power Technology Co.,Ltd., Ningbo Donghuan Power Technology Co.,Ltd.
The professional R & D capability is the premise of product innovation and technological progress. Many products of the group have their own intellectual property rights. They have obtained 6 invention patents, nearly 20 patents on utility models and designs. And many times included in the Ningbo municipal new product trial production plan and the national key new product plan. On the basis of th
