Heavy-Duty Construction: Made from 1. 2mm thick cold-rolled steel with a durable grey powder-coated finish, offering exceptional resistance to impact, rust, and corrosion for long-term use in harsh environments. Elevate your electrical installations with our premium Distribution Box Enclosure, expertly designed for durability and efficiency. 0mm, our enclosures feature superior phosphating treatment for enhanced rust. Yueqing Box Electric is a professional manufacturer and exporter of high-quality metal enclosures based in China. Our factory spans over 6,000m² and is equipped with state-of-the-art automated production machinery, supported by a dedicated team of 50 employees, including experienced engineers. Why choose us? We use high-strength.