The three husbands are outdoors, an outdoors company founded in 1997, originating from a 30-metre shop outside the eastern gate of beijing university. After many years of development, the three husband-and-wife outdoors have developed into a chinese-led professional retail chain of outdoor sports supplies, dedicated to building off-line retail + experience complexes, offering integrated business models for the integration of outdoor goods and services, such as outdoor activities organization, outdoor sports camp design operation and education training for young people in outdoor exercise. Zhang chang, founder of the three husbands outside the house, started the company in september 1997 and has been president since. His business story has been reported in several media outlets, including cctv-2, cctv-4, cctv-7, bbc world, etc. The three spouses already own more than 30 direct-camp chains throughout the country, providing hundreds of jobs for society. In terms of products, the three husbands provide a range of outdoor items such as camping and travel, outdoor business kits, tents, sleeping bags, mats, climbing sticks, lighting, stoves, meals, water supplies, etc. In addition, the three spouses provide a stable supply and ensure that products are updated in a timely fashion. In the area of services, the three husband and wife have an independent training team and professional trainers, provide all-round training to the allied parties, and carry out further training at intervals at the end of the shop. At the same time, services such as company guidance on marketing, positive feedback on shop issues and positive solutions are provided outside the home to better adapt to market demand。