WS undertook the project for the fabrication of the satellite launch tower for the Xichang satellite base of the Commission for Science, Technology and Industry for National Defense in 1989; the large launching tower comprises a mobile service tower and a fixed launch tower; comprehensive test and such logistics works as fueling for launch vehicles and artificial satellites are completed here, and they are launched from here.

The launch tower is 97 meters high; the total weight of its steel structures is about 7,000 tons. Welded H-beams, welded box girders, and high-strength bolts are connected to form a space truss structure; the steel is 16 Mn, and the plate thickness is 8 to 60 millimeters, and full penetration weld is adopted. In 1990, the project was given the National Prize for Excellent Works, the Prize for Excellent Products by CSIC, the Silver Prize for High Technology Products for Civilian Use Converted from Military Products in China, and the Lu Ban Prize.