cast ductile iron steel punching stamping Municipal drainage pipes joint rings

cast ductile iron steel punching stamping Municipal drainage pipes joint rings. Customized Dimensions: Dimensions and tolerances adjustable to customer requirements with +/-0.5mm precision. ISO 9001 Certified: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2008 standards. Advanced Inspection: Equipped with 3D inspectors, spectrum analyzers, and magnetic powder flaw detectors. High Production Capacity: Annual steel casting capacity of 20,000 tons with multiple molding lines. Green Manufacturing: Recognized as a green casting demonstration company with pollution control systems. Quality Replacement: Defective pallets or rings are replaced with qualified products immediately. Diverse Joint Types: Available in flush joint, rubber ring joint, and oversize base ring configurations. Experienced Supplier: Over 7,000 concrete pipe mold pallets and rings supplied to overseas customers.