Under the umbrella of the long chun pleasant early education consulting ltd., hit international is a dedicated organization to provide teaching support for water education for infants and young children around the world, to spread the benefits of baby and young children swimming, to educate children on safe water skills and drowning prevention strategies. This is the world's largest swimming teaching and life-saving organization. There is a complete school system from infant to adult. The swimming pool of the happiness international pediatric swimming club is designed professionally for his or her own swimming, with a large number of water injections at the bottom of the pool for 24 hours of continuous water purification, which is six times the capacity of a common pool. Using the current state-of-the-art technology for the physical purification of copper silver ion + ozone, copper silver ion continues to kill bacteria, ozone kills bacterial viruses and deoxifies them. The water purification equipment of the international pediatric swimming club is all imported into germany, and computers are monitored automatically in real time and controlled automatically. Water quality can meet eu drinking water standards. Full automatic thermostat equipment to keep water temperature 33°1°c. Trainers of the happiness international pediatric swimming club have been certified for sta training and have received double certification for sta baby and young swimmers and lifeguards. The curriculum system of the family and son international swimming club is synchronized internationally and is derived from the international learn to swim programme, the international swimming curriculum of the sta. Wabc also provides pedagogical support for pleasure tours。