Wuxi ZOZEN Boilers Co. , Ltd. has been committed to manufacturing , researching and developing industrial boilers since its foundation in 1988. ZOZEN has obtained over 50 national patents , ASME "S" and "U" stamps and many other international certificates. ZOZEN has more than 400 varieties and specifications of products including coal-fired/biomass-fired/gas-fired/oil-fired steam boilers , hot water boilers and thermal fluid heaters. |