Wuxi ZOZEN Boilers Co. Ltd. a wholly-owned private enterprise, has been committed to manufacturing, researching and developing industrial boilers since its foundation in 1988. ZOZEN has obtained PRC Grade A Manufacture License of Special Equipment (Boilers), PRC Grade BRⅡ Manufacture License of Special Equipment (Pressure Vessels), ASME 'S' (Power Boilers) and 'U' (Pressure Vessels) stamps and many other international certificates of authorization. ZOZEN has more than 400 varieties and specifications of products including gas-fired boilers, biomass-fired boilers, coal-fired boilers and thermal fluid heaters. After over 30 years' development, ZOZEN has become a leading domestic enterprise industry with the largest production.