Lizhong Group: Materials such as aluminum-silicon powder and high-strength aluminum alloy powder can be used for 3D printing. In the field of cast aluminum alloy, the company has successfully developed a series of integrated die-casting heat-treatment-free alloys, low-carbon A356, etc. The company's main businesses include cast aluminum alloy, aluminum alloy wheels, and aluminum-based functional master alloys, providing aluminum alloy materials and lightweight aluminum alloy products for the automotive, rail transit, consumer electronics, aerospace, food and pharmaceutical packaging, machinery manufacturing, marine, military, 5G communication, chip packaging, and other fields. In terms of 3D printing, the aluminum-silicon powder, high-strength aluminum alloy powder, and other materials produced by the company have good comprehensive performance and can be used for 3D printing. In the marine field, the corrosion-resistant aluminum alloy materials produced by the company have been indirectly used in the manufacturing of parts such as yacht engine cylinder blocks and cylinder heads, and handles.