Shenzhen city one power electric company ltd. Was established in 2011 as a high-tech enterprise specialized in the development, production, marketing and technical servicing of power and industrial electrical products. The company has its own patent and has a senior technology development team in the power industry, a management team and an operational team. Products include voltage stabilizers, variant power sources, transformers, ups uninterruptible power sources, which are widely used in the fields of defence, medical care, transport, mechanical processing and communications。