Oil Immersed Distribution Transformer Complete Manufacturing Process: Step-by-Step Factory Production Guide

Finished oil immersed distribution transformers in workshop storage

This step-by-step guide walks through the complete oil immersed distribution transformer manufacturing process at Zhongxin General’s factory — from silicon steel coil feeding and core lamination to winding production, core-coil assembly, tanking, oil filling, and multi-stage factory performance testing. Real workshop photos show standardized production and strict quality control for oil immersed transformer up to 110kV/63MVA.

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