Hot water boiler include coal, biomass, gas, oil fired, hot water boiler have a wide variety application such as building heating, hotel, food, farm, etc. ZG Boiler has been designing and manufacturing boilers and pressure vessels for over 60 years, developing a reputation for producing reliable, long-life products. We are offering energy efficient Hot water Boilers in different sizes and capacities which are easy to install and assemble. Inquiry email: [email protected] or click here to chat online.