
Manual Chain Hoist Construction Hand Chain Block 30t 20t 10t. High-Strength Alloy Steel Construction: Shell and main parts made of high-quality alloy steel for durability and safety. 800Mpa High-Strength Lifting Chain: Chain features medium frequency quenching heat treatment for low wear and anti-corrosion. Safe Ratchet Friction Brake: Unidirectional brake ensures safe braking under load with pawl and ratchet engagement. CE and TUV GS Certified: Meets European CE safety standards and TUV GS certification requirements. Versatile Application Scenarios: Suitable for factories, mines, construction sites, docks, and warehouses. Lightweight and Portable Design: Small size and light weight make it easy to carry and operate manually. High Mechanical Efficiency: Designed for easy maintenance and efficient lifting performance. Customization Options Available: Supports customization from samples, designs, and full customization services.