The main components of the hand chain hoist are made of alloy steel materials. The chain adopts 800Mpa high-strength lifting chain, and the material is generally 20M2. It is a chain that undergoes medium-frequency quenching heat treatment, has low wear and anti-corrosion properties. High-strength hook, generally made of alloy steel, the forged hook design ensures slow lifting to prevent overload. Comply with the European CE safety standards.