Gao Jianwei: Precision Hardware Solutions for Doors and WindowsAs a leading manufacturer of door and window hardware, Gao Jianwei specializes in crafting high-performance hinges, multi-point locks, and lock strike plates designed for durability, security, and precision. With a commitment to quality engineering, our products serve the global construction industry, supporting window and door manufacturers, contractors, and distributors in both residential and commercial projects.Our door and window hinges are forged from premium SUS304 stainless steel, undergoing 500-hour salt spray testing to ensure resistance to corrosion—ideal for coastal and humid environments. The satin, PVD, or electro-polished finishes enhance both aesthetics and longevity, while precision machining guarantees smooth operation for years . For multi-point locks, we integrate advanced CNC technology and rigorous quality control, including tamper-resistance testing, to deliver secure locking systems that meet interna...