https://armerboard.com/blogs/armer-smart-board/how-to-choose-the-smart-whiteboard-size

Armer has become a self-developed terminal intelligent commercial display brand. Adhere to customer-centricity and propose a variety of intelligent solutions for business, classroom and home office. Win customer recognition and trust.The cumulative number of customers throughout the year reached 2680+. Focus on the research and development, production and sales of intelligent interactive display products and other peripheral products.