The upstream of China's rice milling machinery manufacturing industry is the power matching parts, standard parts, electrical parts, mechanical processing parts, steel production industry, and downstream is the rice processing industry.
Upstream industry impact
The main procurement contents of the rice milling machinery manufacturing industry are power matching parts, standard parts, electrical parts, machined parts and steel. The technical level, supply capacity and price fluctuation of the upstream industry have certain impact on the operation of the industry. The development speed of China's steel industry is relatively stable and can provide sufficient steel supply for the industry. Although the supply of steel products has been sufficient in recent years, its price volatility is relatively large. As its downstream industry, the rice milling machinery manufacturing industry is greatly affected by it.
The technical level and processing precision of power matching parts, standard parts, electrical parts and machined parts have a great influence on the quality of products in this industry. The technical level of China's power matching parts, standard parts, electrical parts and machined parts has been improved rapidly, and a complete industry system has been formed. There are many enterprises in the industry.
Downstream industry impact
While rice processing enterprises are gradually moving towards scale and grouping, they will pay more attention to the comprehensive utilization of rice resources and product development and quality brand awareness. The rigid demand for rice in the world and the trend of the country's future policies and market development will definitely bring unprecedented development opportunities to rice milling machinery manufacturers, and will promote the product structure adjustment and upgrading of the industry. At the same time, as downstream enterprises are increasingly demanding the quality of rice milling machinery products, they also put forward higher requirements on the quality and supporting services of rice milling machinery products. 
However, on the whole, most of China's small rice milling machinery manufacturing enterprises have a small scale of operation, lack of research and development strength, and do not have the production capacity of some high-tech equipment. They will face fierce competition and be phased out in the future [ 3].
The large rice processing industry has invested heavily in the purchase and renewal of its production equipment, and the demand for rice milling machinery is relatively strong. In order to meet the ever-increasing equipment demand and increasing technical requirements of large-scale rice processing enterprises, the R&D investment in China's rice milling machinery manufacturing industry has increased, especially the engineering design of processing equipment has become more and more perfect. A rice milling machine manufacturing enterprise with a relatively high scale and a certain set of equipment manufacturing and installation capabilities. With the emergence of such enterprises, the overall technical level of China's rice milling machinery manufacturing industry has been greatly improved, better meeting the development needs of the domestic rice processing industry.