Design, Develop, Manufacture and Export VASI is headquartered in Esenyurt, Istanbul which works on design, develop and export. DONSA-Istanbul is located in Esenyurt, Istanbul based on a 10.000 m2 area which is the main production facility for the group. DONSA-Yozgat is in operation as of May 2020. The facility is 12.000 m2 close area, located in 20.000 m2 land in an Industrial Park at the centre of Turkey. Other companies are Inspirit, Activetime and Demsa with a different function of the group. Over 30 Years of Experience and Expertise The main strengthen of VASI is; over 30 years of experience with an inspirational team; which design, develop material and socks, in collaboration with customers and other relevant stakeholders. As a socks manufacturer machinery and technology have a big influence on operations. Therefore mechanical and technological adoption is a crucial for being creative, innovative and sustainable on business. Thus, makes VASI desirable and one of the competitive socks manufacturers in Turkey.