The product is the independent development of new products, new and unique structure. Using double anti-burning and multi-Grate cross fire tube structure, configuration, negative pressure combustion draft fan. The product is suitable for enterprises, institutions, military units and service industries more kinds of use, and in 94 years by Zhejiang Environmental Protection Association as a superior new products: 96 years is the Shanghai Railway Bureau as scientific and technological progress prize.                              http://www.balturboiler.com/