BAOGUANG was established in 1998 specializing in solar vacuum tubes,BAOGUANG covers an area of over 80,000 square meters,holding a complete industrial chain from raw material- glass tube-solar vacuum tube.BAOGUANG equipped with more than 40 automatic production lines for vacuum sputtering plating,Our annual production capacity reachs 15,000,000 tubes.
Currently we make co-axial structure vacuum tubes with outer diameter 47mm, 58mm and 70mm,...
» Read More
» Leave a Message