As one of the 16 landmarks of new Beijing, the National Grand Theater has a unique shape. This "theater in the city, city in the theater" appears as a fantastic "pearl in the lake" dedicated to the new century. It is the largest theater complex in Asia. It is the highest palace of China's national performing arts, the largest platform for cultural exchanges between China and foreign countries, and an important base for China's cultural and creative industries. Shenzhou group's thermal insulation materials are used in theaters. They integrate sound diffusion with the walls of theaters. With partition walls with thermal insulation and sound insulation effects, all kinds of tailor-made designs can make the sound diffuse and reflect evenly and gently, bringing an audio-visual feast to the audience.