一重集团大连核电石化有限公司增资至33亿，增幅约17%

Group 1 - The core point of the article is the recent business change in Dalian Nuclear Power Petrochemical Co., Ltd., where China First Heavy Industries Group Co., Ltd. has become a new shareholder, increasing the registered capital from approximately 2.82 billion RMB to about 3.3 billion RMB, representing a growth of about 17% [1] - The company was established in June 2001 and its business scope includes the design, manufacturing, installation, modification, repair, and inspection of special equipment [1] - Key management changes include the resignation of Lu Wenjun as the legal representative and Xu Chongyong as the chairman, both replaced by Zhang Wenping [1]