赞宇科技：公司一直专注于做大做强主业

Group 1 - The company, Zanyu Technology, is a leading enterprise in the surfactant industry, focusing on strengthening its core business through technological upgrades and product innovation [2] - The company aims to enhance its core competitiveness and promote high-quality development in the industry, avoiding low-price and disorderly competition that leads to "involution" [2]