Rich Experience
From retail to manufacturing, serving the national HVAC market, evolving from homogeneity to high-end excellence; every improvement is dedicated to better meeting your needs.Since its opening, the llang piano classroom, which belongs to the little leaf (beijing) science and technology company ltd., has developed a scientific and unique teaching methodology in line with the teaching of the central music institute, which has yielded very good results. A large number of outstanding students have achieved excellent results in national and provincial piano competitions, with 100 per cent pass rate. The results of this series have attracted considerable attention from experts in the arts and have been well received by the parents of the students. In order to improve the quality of music for children and adolescents in our province, and to broaden the interest of children and adolescents, more piano talent has been developed, based on the popularization of piano levels among children in our province. The core business concept of longlong's piano classroom is “to make music happy for more people”. By opening more professional piano cities and musica...


