... 2. national A level manufacture enterprise 3. proudcts: boilers, autoclaves Xinxiang xinda boiler container co.,ltd is a ... boiler container co., ltd--- steam boiler, hot water boilers mnufactureSteam boiler, coal fired boiler, high heat efficiencyDZL Series ... the first choice product!7 Key Features of steam boilers:Fire&water mixing tube structureSpirally corrugated tubesAerofoil-shaped flueConvex ...