Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for Pm 2.5 Indoor, , , ,. We can do your customized order to meet your own satisfactory! Our company sets up several departments, including production department, sales department, quality control department and sevice center, etc. The product will supply to all over the world, such as Europe, America, Australia,Slovakia, United States,Milan, Benin.Our company always concentrate on the development of the international market. We have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.