Here’s a fast, informative look at how a 10kV European cable distribution box is built and tested. In this video, we take you inside Shenzhen Dongshengyuan’s manufacturing facility to show the production process—from sheet metal fabrication and gas-filled switchgear assembly to rigorous quality inspections like partial discharge and temperature rise testing. You’ll see how advanced equipment and strict ERP management ensure reliable performance for power distribution networks. A concise factory walkthrough for B2B professionals seeking real production insights.