China's foundry industry has always been an important, basic and irreplaceable industry in the national economy. China is a big casting country, no matter the annual output of casting, or the number of employees, enterprises has ranked first in the world. With the strengthening of the trend of economic globalization and the continuous development of market economy, foundry related processes, production and management are increasingly demanding and relying on various standards. In China, there are still many problems to be solved for the large-scale production of aluminum alloy castings to meet the requirements of automobile lightweight. First, the requirements of automobile aluminum castings develop towards the direction of thin wall, complex shape, high strength and high quality. In order to meet this requirement, the casting process should be further optimized and new alloy materials should be developed. Secondly, the production cost should be reduced from the perspective of design and technology, such as the use of multi-piece technology and automation technology to improve productivity, extend the service life of the mold, and the use of integrated design to reduce the number of parts. Thirdly, computer simulation technology is adopted to shorten the development cycle of process plan. Fourth, increase aluminum recycling efforts. Recycled aluminum is the main raw material for aluminum foundry. China should attach importance to the utilization of recycled aluminum resources while developing the foundry industry, develop the effective separation technology of aluminum from the waste materials of composite materials and heterogeneous materials combination, and establish a wide waste recycling system.

　　Our company is engaged in casting industry and has more than 70 years casting history.We produce cast aluminum casting cost is low, process is good, remelting renewable resources and energy saving, casting aluminum preferred to use sand casting, the main reason is that sand casting compared with other casting methods cost low, simple production process, short production cycle.After manual heating it into liquid aluminum alloy or molten state and then through the professional mold or the corresponding process will be molten aluminum aluminum alloy pouring into the cavity, after cooling formed after removal.We usually use sand casting, die casting, low pressure casting, precision casting, permanent casting, lost foam casting, etc.Due to its small density, high specific strength, corrosion resistance and other excellent characteristics, cast aluminum parts will be more widely used in aerospace, automotive, machinery and other industries.By the customer's praise.Especially in the automotive industry, in order to reduce fuel consumption and improve energy efficiency, it is a long-term development trend to replace steel and aluminum castings with aluminum and nickel alloy castings.Among them, it focuses on pollution-free, efficient and easy to operate refining technology, metamorphic technology, grain refining technology and pre-furnace rapid detection technology.In order to further improve the material properties and give full play to the potential of the material, high-quality aluminum alloy materials can be developed, especially aluminum castings can meet the performance requirements of different working conditions.To strengthen the research of aluminum alloy smelting process, the development and research of continuous aluminum alloy die-casting and extrusion casting process and related technology, and improve the development and research of aluminum alloy smelting equipment and related technology and technology.