As a professional manufacturer of gas-fired boilers, ZOZEN Boiler has advanced production equipment, and has established a strict quality inspection standard system to ensure the quality of every heating boiler. As an important pressure component of ZOZEN WNS series heating boiler, the advanced submerged arc automatic welding technology is adopted in the longitudinal and circumferential seam automatic welding production line of the boiler drum, which not only makes the welding seam beautiful, but also ensures the welding quality. The welded drum will be transported to the flaw detection room for 100% NDT, effectively ensuring the safety of components.
