Suzhou Rainbow Environmental Equipment Manufacturing Co.,Ltd is located in Suzhou Industrial Park, one of the most vigorous areas in China.Our company focuses on the research and development of the metallic conduit of various media and for high temperatures. We own a professional production base manufacturing residential chimneys,prefabricated stainless steel chimneys, steel stack and other exhaust pipes which can withstand high temperatures.We produce residential chimneys in 3 4 5", 6", 7", 8" diameters with single or double wall. Double-walled twist lock system chimneys and spigot system chimneys are the most well received products among our clients.