PowerOak production and development is based in Shenzhen, and serves global customers through supplying OEM and ODM service to industry leading customers like Polaroid, Bosch, and more. We have obtained a reputation of quality and reliability, and have formed a global sales and service network of PowerOak brand ESS in more than 30 countries and regions, including Europe, the United States, Japan and South Korea. Through supplying our commercial or civilian customers with one-stop service, including project exploration & design, EPC project installation, and after-sales service, we can lower construction and maintenance costs for customers and give them the best value possible.