Shanghai state environmental technology co. Ltd. Is a high-tech, modern and environmentally friendly enterprise that specializes in the development, production and marketing of indoor environmental instruments, air purification and management products. The industry of new, environmentally friendly technologies in shanghai is primarily involved in the marketing and servicing of scientific research products, and is dedicated to providing customers with environmentally sound, safe and healthy products to improve the air quality of work and living space and improve their health and quality of life. With a research and development team that has been working on indoor air pollution detection and pollution management for many years, wei has succeeded in developing high-technology green and high-tech products, all of which are tested by environmental testing centres. The company produces advanced technical processes and a wide variety of products, with dozens of models. And the capacity, le...