In 2003 Sunshine Energy expanded its factory. The conducting tubes are made in clean rooms. The production lines are operated under controlled environment so the parts can be outperformed. The flow of lot production is subject to various authentication methods for assuring the superiority of the products. The dedication to a neat production environment is regarded as the striving for product quality. Tests, measuring devices and the testing reports are themselves the soundest assurance of machine quality prior to the shipment. You are welcome to visit our factory.