November 1, 2011Shunbo Alloy (002996.SZ) accepted a specific object investigation on October 31, 2023, regarding "the progress of heat-free materials, whether it is necessary to apply for patents, when can quantitative production, whether there is a concept of new capacity?", The company replied that the company began to develop heat-treatment-free materials in January 2022. After more than ten rounds of material experimental research and development verification, the tensile strength of heat-treatment-free materials can reach 270MPa, yield strength can reach 130Mpa, and elongation rate can reach 12%. It is mainly made of aluminum-silicon alloy, and has good fluidity and mold filling, which can meet the demand of automobile large casting die casting process. The company has applied for a patent and is in the trial stage. In the first half of this year, sample verification has been carried out with the main engine factory, and small batch trial production will be entered in November. The production of heat-treatment-free materials can be completed on existing production lines, and no new capacity is required for the time being.