周六福增资至约4.4亿元，增幅约16%

Group 1 - The core point of the article is that Zhou Li Fu Jewelry Co., Ltd. has increased its registered capital from approximately 380 million RMB to about 440 million RMB, representing a growth of around 16% [1] - The company underwent changes in some of its senior management [1] - Zhou Li Fu Jewelry Co., Ltd. was established in April 2004 and is engaged in the design, wholesale, retail, and import-export of precious metal jewelry, inlaid jewelry, and gemstone jewelry [1] Group 2 - The shareholders of the company include Shenzhen Ruoshui United Investment Co., Ltd., Shenzhen Shangshan United Investment Co., Ltd., and Shenzhen Qiankun United Investment Co., Ltd. [1]