Established in 2010, Shenzhen Sanjun Metal & Electrical Co., Ltd. is a leading sheet metal fabricator specializing in custom power supply enclosure solutions. With a 5,000㎡ factory, advanced equipment (3000W laser cutters, AMADA CNC bending machines, etc.), and an ISO 9001:2008-certified quality management system, we deliver precision-engineered sheet metal enclosures tailored to the unique mechanical, thermal, and environmental demands of power supply units across industries.