In the most indispensable field of agriculture, mechanized cultivation and automatic harvesting to replace the traditional human operation, so that the demand for agricultural machinery and tools also has its market demand. Therefore, Li-Yang Enterprise Co., Ltd. has also cooperated with the development and production of hardware parts for agricultural machinery, in order to contribute a little bit to the field of agriculture. The application environment of agricultural machinery and tools is often stained with a lot of soil, and in order to make the machinery can still operate normally in this harsh working environment and not be affected by external pollutants on the mechanical interference, the precision requirements of the metal shell technology is also required to be used in agricultural machinery and tools. The design of metal parts for agricultural tools varies according to the way of operation and external factors. The metal design of agricultural tools produced by Liyang Enterprise provides customers with high-quality, high-performance practical effects, so that agricultural equipment can still operate effectively in various environments and extend the service life of the machinery.