Core Viewpoint - The company Keshun Co., Ltd. (stock code: 300737) has launched a new high-end waterproof product line called "Cuiyou," featuring a cutting-edge waterproof coating specifically designed for long-term immersion environments, addressing the common issue of leakage in pools and water features [1][8]. Product Features - The Cuiyou ultra-durable colored elastic waterproof coating is developed with four core technologies to provide robust protection for water pools, swimming pools, landscape pools, and drinking water pools, effectively eliminating leakage issues [1][8]. - The product meets three national standards: GB/T 23445-2009 for polymer cement waterproof coatings, JC 1066-2008 for harmful substance limits in building waterproof coatings, and GB/T 17219-1998 for safety evaluation standards of materials used in drinking water supply [3][4]. Performance Characteristics - The coating exhibits exceptional water resistance, maintaining integrity after 14 days of continuous immersion and lasting over five years in long-term immersion environments without peeling or flaking [3][8]. - It has a high elongation rate exceeding 200%, providing excellent flexibility to adapt to temperature changes and minor structural shifts, effectively preventing cracks and leaks [3][8]. - The product is environmentally friendly, using a low-odor water-based formula that has passed multiple international and national environmental certifications, ensuring safety for use in swimming pools and other water features [4][8]. Application and Market Response - The unique sea blue color of the coating allows for visible application, reducing the risk of hidden leaks caused by missed spots during application, ensuring a complete waterproof layer [6][8]. - The launch of the Cuiyou ultra-durable waterproof coating has quickly gained popularity in the market, with increasing adoption among villa owners, high-end apartment residents, and hotel swimming pools, providing a reliable solution to leakage problems [8].