Today, in the new era, almost every city can see the high -rise buildings, and there are endless construction sites, and it is always highlighting the prosperity of China today. Among the Linli of these high -rise buildings, lifting machinery played a very important role. The representative of this is the electric gourd and the hand stretching the gourd. Electric gourds and hand -stretched gourds are two typical lifting machinery. They can be installed on machinery such as Tiandou, Longmen Cragers, etc., and can be checked on heavy objects. At present, it is widely used in various industries, especially in the construction industry. Sexuality is irreplaceable. Thousands of tons of building materials need such a device to transport it to the high -rise buildings and build it into a magnificent building. However, people who have experienced construction experience on the construction site must know that for the lifting equipment in construction, its quality often affects the progress of construction, especially important equipment such as electric gourds and handboards. Its quality is of its quality. The pros and cons are not only the issue of construction progress, but even the life of workers may be related to the life of the workers. The difference between electric gourd and hand -stretched gourd is electric and one is manual. They are used in different power environments, which saves time and effort.