Core Viewpoint - Hainan Development's subsidiary, Sanxin Technology, focuses on curtain wall and interior decoration engineering, projecting an unaudited revenue of 1.233 billion yuan and a net profit of 10.89 million yuan by the first half of 2025 [2] Company Summary - Sanxin Technology's main business includes curtain wall and interior decoration engineering [2] - The projected unaudited revenue for the first half of 2025 is 1.233 billion yuan [2] - The expected net profit for the same period is 10.89 million yuan [2]