We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for Building Air Quality Monitoring, , , ,. We have now a experienced crew for international trade. We are able to solve the problem you meet. We are able to offer the products and solutions you want. You should really feel free of charge to speak to us. The product will supply to all over the world, such as Europe, America, Australia,United States, Kuala Lumpur,St. Petersburg, Australia.More than 26 years, Professional companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.