1. Packaged Boiler (Package Boiler) means All parts of the boiler are manufactured and assembled in the manufacturing plant.

2. A quick-installed boiler refers to a boiler body, combustion equipment, furnace wall, platform stairs and frame that are all assembled together after being manufactured in the boiler factory and transported to the place of use as a whole. The boiler can be put into operation quickly by simply connecting the auxiliary power supply, smoke and air ducts and steam and water ducts. This greatly shortens the delivery and installation cycle, improves the efficiency of the production enterprise, and also reduces the time and labor costs of the enterprise.

3. Yuanda Boiler packaged boilers include WNS series oil and gas boilers, DZH/DZL series coal/ wood biomass boilers, YYQW (L) series oil and gas thermal oil boilers, etc.

1. Assembled boiler need to be installed on site, but the main components such as the front and rear furnaces, the drum body, etc. are assembled by the manufacturer. At the installation site, they need to be assembled completely, build the furnace arch, inner and outer walls.

2. Packaged boiler is completely assembled by the manufacturer and directly pulled to the site of use. After the hoisting is completed and the boiler is baked, it can be put into operation.

3. Bulk boiler is limited by the size of the boiler and transportation conditions. They are all installed on site at the site of use, and all are scattered parts.