Guiyou Hand chain hoist crane Chain block 1ton 2ton 3ton 5ton 10ton

I. Core Advantages: Manual Power Rivals Electric, Compact Size with High Capacity‌
‌1. Minimalist Design, Human-Driven Efficiency‌
‌”Lift by Hand”‌: Utilizes high-precision gear sets and chain transmission systems, enabling vertical lifting of ‌0.5-20-ton‌ loads through manual chain pulling, with transmission efficiency exceeding 85%‌.
‌Lightweight Body‌: Circular structural design reduces total weight to ‌3-20 kg‌ (depending on capacity), allowing single-person portability to scaffolding, warehouse racks, or vehicle repair sites‌.
‌2. Safety First, Dual Protection‌
‌Mechanical Self-Locking Brake‌: Equipped with a ratchet braking mechanism that instantly stops operation upon release or overload, preventing accidental load drops‌.
‌Military-Grade Materials‌:
‌Chains‌: Forged from G80 alloy steel, resistant to wear and corrosion, suitable for harsh environments like chemical plants and coastal docks‌.
‌Hooks‌: 360° rotating alloy steel hooks undergo ‌2x safety factor testing‌ to resist deformation or fracture‌.
‌3. Universal Adaptability, Boundless Scenarios‌
‌Industrial Grade‌: 5-20-ton models for factory equipment installation, ship repair, and steel structure lifting‌.
‌Civilian Grade‌: 0.5-3-ton models address household needs like furniture moving, AC installation, and vehicle maintenance‌.
‌Emergency Outdoor Use‌: Operates without electricity, ideal for power repairs or agricultural greenhouse assembly in remote areas‌.