Hangzhou trees for the environment, ltd. Is the lead runner in the light media industry in the country and is a high-tech enterprise focusing on indoor pollution management. The role of tree-based conservation in the sustainable improvement of the indoor air environment and the creation of green spaces is dedicated to the development and diffusion of products and applications in the area of indoor pollution management, serving the global market and providing the best indoor pollution management products and solutions. Using japan's state-of-the-art photo-media technology, while introducing japan's professional cleaner production processes and equipment, the company is mainly engaged in the development of new products, with high-quality products and fine services to create a healthy and comfortable environment for its customers. The sustainability, safety, comprehensiveness and effectiveness of the tree series of products have fundamentally filled the gaps in indoor environmental management technologies in the country, through the testing and certification of specialized institutions in china and japan, and air pollution management indicators far exceed those of domestic products. The engineering areas of indoor homes, indoor air improvement, hospital microbicide, office space governance, hotel hotels, etc., have been widely used, and have been partnered in the country with a number of well-known property companies and 4s shops, known for the efficient removal of organisms and the eradication of diseases. As an emerging high-tech, high-tech, environmentally friendly enterprise, the trees have an active and vibrant team of professional elites who are keen to move forward and continue to climb. All employees are committed to the corporate concept of "customer-driven, honest, science-oriented, quality-oriented" in order to improve indoor air quality, improve the living environment of the population, and constantly strengthen technological research and development, product innovation and the return of sophisticated technology, high-quality products and services to the general public