
Top Quality Reinforcement Steel Profile for UPVC Window and Door. Customized Dimensions: Available in U, C, and Square pipe shapes with customizable thickness from 1.0mm to 2.5mm. Anti-Corrosion Protection: Galvanized strip steel with 120g/m2 zinc layer for extended service life and rust resistance. Enhanced Safety: Steel lining increases connection strength, improving earthquake and wind resistance for windows. Sound Insulation: High-quality steel lining provides good sealing effect and effective sound insulation function. Eco-Friendly Material: Uses lightweight energy-saving standard steel to reduce carbon emissions during production. Global Export Experience: Over 28 years of experience with products exported to more than 80 countries worldwide. Comprehensive Certifications: Holds ISO 9001:2008, TS16949, SGS, and inspection tool calibration certificates. High Production Capacity: Annual capacity of 3600 to 5000 tons dedicated specifically to reinforcement steel profiles.