The hook of the chain block produced by Hangzhou guanhang Machinery Manufacturing Co., Ltd. first of all, from the appearance, the workmanship is fine, the surface is smooth, and there are no acute angles, burrs and cracks; Secondly, from the perspective of manufacturing materials, high-strength and high-quality alloy steel is used for die forging, and the hook body is processed by multi-purpose furnace assembly line, which has sufficient strength, good toughness and strong impact resistance, and can cope with the impact load of heavy objects; Finally, the hook can rotate flexibly around the vertical axis, which is convenient for hanging and unloading heavy objects quickly, and improves the efficiency of production operation.

After forging and production, the hook of Hangzhou guanhang chain block shall undergo a series of tensile test, stretching test and impact test to fully ensure the quality and performance of the hook, because the damage of the hook will directly affect the normal lifting operation. In order to ensure the safety of customers and protect their property from damage, guanhang manufacturing strives to improve its accessories and ensure the normal operation of each part. Only in this way can the role of chain block be brought into full play.