Founded in 2010 in Shenzhen, Sanjun specializes in custom sheet metal for outdoor digital signage. Equipped with 3000W laser cutters and AMADA CNC machines, we deliver ±0.1mm precision—offering IP56/IP65/IP66 weatherproof enclosures, -40°C~60°C thermal adaptation, 150km/h wind resistance, IK10 impact protection, and anti-UV/anti-graffiti finishes. ISO 9001-certified with 10% annual R&D investment, we comply with SABER, CE, FCC, UL for global markets. Supporting 1-piece minimum orders, we provide reliable tailored solutions for extreme outdoor environments. Slogan: Strive for excellence, cooperate for mutual benefit