Group 1 - Shanghai Zhenhua Heavy Industries Co., Ltd. has obtained a patent for a "suspension hook box for large offshore floating full rotation cranes" with the authorization announcement number CN222973593U, applied on September 2024 [1] - The patent describes a utility model that includes a pair of mirror-symmetrical hook box bodies and a support structure between them, addressing the issue of the existing four-claw main hook not being able to fit entirely into the hook box [1] - The design features a triangular upper structure with a rounded guiding surface at the top angle and guiding blocks at the bottom angles to facilitate the operation of the four-claw main hook and the movable pulley group [1] Group 2 - Shanghai Zhenhua Heavy Industries Co., Ltd. was established in 1992 and is located in Shanghai, primarily engaged in the metal products, machinery, and equipment repair industry [2] - The company has a registered capital of 5,268.35 million RMB and has made investments in 54 enterprises, participated in 5,000 bidding projects, and holds 3,269 patent records [2] - Additionally, the company possesses 2,630 administrative licenses and has 13 trademark records [2]