Group 1 - The China Electric Power Construction Group Chengdu Survey and Design Research Institute Co., Ltd. has applied for a patent related to a method for obtaining shear strength parameters of heterogeneous rock masses, indicating innovation in rock engineering technology [1] - The patent application was filed on April 2025, with the publication number CN120470773A, showcasing the company's ongoing commitment to research and development [1] - The proposed method enhances the accuracy and reliability of predicting shear strength in heterogeneous rock masses by incorporating a weak zone ratio coefficient into traditional geological strength indicators [1] Group 2 - The China Electric Power Construction Group Chengdu Survey and Design Research Institute Co., Ltd. was established in 2005 and is primarily engaged in the production and supply of electricity and heat [2] - The company has a registered capital of 500 million RMB and has made investments in 66 enterprises, demonstrating its active role in the industry [2] - The company has participated in 5,000 bidding projects and holds 4,071 patents, indicating a strong focus on innovation and competitive positioning in the market [2]