Covering an area of 42,800 square meters, our vacuum tube factory, as one of the main production factories, is the world largest manufacture base of vacuum tubes with and total design output of 30 million pieces per year.
Our testing centre has 18 labs, ranking as the most advance and professional center in the world with 360 testing standards, 24 times of the national ones and 7.5 of the international standards.
The testing items involved all parts of solar water heaters, Special destructive experiment is conducted to test the lifespan and operation of the subjects by means of stimulating the serve environment solar water heaters work in. Here also lies the remote control center of solar projects to realize intelligent control for safe operation and stability. All testing index are as high as the national ones with 20 far above that.
