Deruite Gongtang adopts detailed welding technology (argon arc welding backing, single-sided groove, enamel surface small weld metal, avoid gouged qing carburizing), ensure the quality of enamel
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| One-sided welding Nozzle Welding near figure | One-sided welding Nozzle Welding far figure |
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| Double-sided welding Nozzle Welding near figure | Double-sided welding Nozzle Welding far figure |
