According to information from the China National Intellectual Property Administration, Fujian Huangyuan Metal Co., Ltd. has filed a patent titled 'A Temperature-Controlled Furnace Body Structure for Metal Powder Sintering,' which has been published under publication number CN121977354A. The patent pertains to the technical field of chemical equipment, featuring a furnace structure that includes inner and outer double-layer furnace tubes, an upper sealing cover mechanism, a lower sealing cover mechanism, a circulating water pump, an exhaust gas treatment mechanism, and an ash cleaning tube mechanism. Multiple temperature sensors are installed at various points on the inner and outer furnace tubes to comprehensively monitor temperatures at different positions; a control box adjusts the power of heating elements based on the data to achieve precise temperature control, with the circulating water pump enabling rapid cooling. This design aims to ensure furnace sealing, reduce heat loss and impurity ingress, and improve sintering quality and production efficiency. Fujian Huangyuan Metal, founded in 2019 with a registered capital of 60 million RMB, holds a total of 14 patent records.