Amarin Printing and Publishing Public Company Limited, together with its subsidiaries, engages in the publishing, advertising, and publications distribution businesses in Thailand. It offers a range of printing services, such as artwork creative design, photography, and image retouching, as well as digital and packaging printing service. The company also conceptualizes, compiles, designs, publishes, and delivers offline content, including books, magazines/newsletters, cards/leaflets/brochures/posters, annual reports, anniversary books, pocket books, and gifts; online content, including e-books, video clips, websites, and applications, as well as augmented reality and social network content; and visual content comprising infographics, illustrations, picture, and photography content. In addition, it engages in the organization of events, fairs, and seminars, as well as offsite training programs for private companies and SMEs; purchase, procurement, lease, and leasehold of various assets; and production, distribution, retail, and wholesale of various publication formats that include Thai and translated foreign language books, Praew and Sudsapda magazines for women, electronic creative media comprising video and multimedia teaching materials, and other printed materials. As of December 31, 2020, it operated 139 bookstores under the Nai-In name. The company was formerly known as Amarin Printing Group Company Limited and changed its name to Amarin Printing and Publishing Public Company Limited in 1993. Amarin Printing and Publishing Public Company Limited was founded in 1976 and is headquartered in Bangkok, Thailand.