Founded in 1998, Beijing Dashihang Automobile is the first batch of Shanghai GM Buick dealers in Beijing and even the country. Following the development of Shanghai GM, after 20 years of development, Dash Motor has formed a full-scale automobile sales and service company with Cadillac, Buick, Chevrolet, car workshop, Dash used car, and Dali color shared sheet spray. Beilarly professional audio helps the World Bank ’s 20th anniversary celebrations in 2018. According to the characteristics of the performance venue and sound field, Beilarly sound engineers use -Q3 line arrays on the live sound reinforcement system, with dual 18-inch subwoofers and back listening speakers . The sound field of the whole performance venue is evenly covered, and the sound quality is clear, making the middle frequency full and full, the high frequency is delicate, and the low frequency dive is full of flexibility; to ensure that every corner of the performance venue can enjoy a perfect music experience.