YSK brand which is under the roof of DERI URUNLERI KUY. PETR. TUR. VE LOJ. SAN. TIC. LTD. STI. has named by founder Yusuf KOC at 1990. has entered upon bussiness life with 20 m2 store in 90s Mercan/Istanbul and became a cult rapid growth sector. As goal continiously creativty increasing market ...