The company changed its name from Donghae Electric Power Ltd to Donghae Sun Tech Ltd and it has expanded its services from general electric services and firefighting construction specification to water and land solar power system. We are not only providing general solar system installation but also producing and selling the solar power main junction box and AC panel board. Also we developed a specialized water connection box and a water buoyancy gauge and install them in the water solar power system. We are trying to be a future global leader in the industry even under the worst of conditions. Our professional minded employees work together as a team and they are not afraid of challenges. We do our best to provide the best quality and services to our customers.