SANHUA(SZ:002050) Jin Rong Jie·2025-08-09 12:05Group 1 - Zhejiang Sanhua Intelligent Control Co., Ltd. applied for a patent titled "A Copper-Aluminum Welding Method and Pipeline Component" with publication number CN120438746A, filed on May 2024 [1] - The patent describes a copper-aluminum welding method that includes steps such as preparing copper and aluminum components, cleaning them, assembling them with a welding ring, and heating them using welding equipment [1] - The method involves specific heating times (T1, T2, T3) for the copper and aluminum components to ensure proper welding [1] Group 2 - Zhejiang Sanhua Intelligent Control Co., Ltd. was established in 1994, located in Shaoxing City, with a registered capital of 373,238.9535 million RMB [2] - The company has invested in 36 enterprises, participated in 38 bidding projects, and holds 2,095 patent information records [2] - Zhongshan Sanhua Air Conditioning Refrigeration Parts Co., Ltd. was established in 2011, located in Zhongshan City, with a registered capital of 800 million RMB [2] - Zhongshan Sanhua has invested in 1 enterprise, participated in 1 bidding project, and holds 4 patent information records [2]