
Heavy-Duty Alloy Steel Forged Hook for Large Openings. Heavy-Duty Alloy Steel: Constructed from high-quality alloy steel for superior strength and durability. Anti-Corrosion Coating: Features powder plastified, zinc plated, or red/yellow painted surfaces. Customizable Surface: Surface treatment is customizable, including powder plastified options. Drop Forged Technology: Manufactured using drop forging technology for enhanced structural integrity. Strict Quality Control: Products are strictly tested and controlled to ensure high quality standards. Multiple Certifications: Meets international standards including ASTM, GB, DIN, ANSI, JIS, and ISO. With Spring Design: Equipped with a spring mechanism for secure and reliable operation. 20+ Years Experience: Backed by over 20 years of market presence and own factories in China.