航海装备板块7月29日涨0.62%，国瑞科技领涨，主力资金净流入1.1亿元

Group 1 - The marine equipment sector increased by 0.62% on July 29, with Guorui Technology leading the gains [1] - The Shanghai Composite Index closed at 3609.71, up 0.33%, while the Shenzhen Component Index closed at 11289.41, up 0.64% [1] - Guorui Technology's stock price rose by 5.94% to 15.70, with a trading volume of 328,300 shares and a transaction value of 512 million yuan [1] Group 2 - The marine equipment sector saw a net inflow of 110 million yuan from main funds, while retail investors experienced a net outflow of 134 million yuan [2] - The table of individual stocks in the marine equipment sector shows varying performance, with notable increases in stocks like Yaxing Anchor Chain and Jianglong Shipbuilding [1][2]