https://www.sunonglobal.com/product/d-7-creative-modular-seating/ 

Sunon's Back D7 Creative modular seating series begins with the D Series, a revolutionary solution for creating a flexible and inspiring office environment. Designed to meet a wide range of workplace needs, the D-Series includes modular seating, privacy screens, learning systems, and relaxation areas. Thanks to the flexible, freely combined sofas, teams can easily create areas for focused work, open communication, casual meetings, relaxation or training. Whether it's a collaboration center or a quiet relaxation area, the D Series redefines the possibilities of modular office furniture.