
High-Strength Welded Hollow Sphere for Space Frame Structure with Q235B Material. High Production Capacity: Annual output of 5 million units ensuring stable supply for large-scale projects. Precision Manufacturing: Advanced hydraulic forming and automated welding lines with strict quality control. Superior Quality Material: Made from Q235B or Q355B steel with ultrasonic testing for structural integrity. Customizable Dimensions: Diameter 150mm-800mm and wall thickness 6mm-30mm available for specific needs. Flexible Surface Treatment: Options include anti-rust primer, hot-dip galvanizing, or customized coatings. ISO 9001 Certified: 36-step inspection process including dimensional check and air tightness testing. International Standard Compliance: Conforms to GB standards and can be manufactured to ASTM, EN, or other standards. Comprehensive Installation Support: Technical personnel available for site guidance with detailed construction drawings.