Our company (ROTAC Co.,LTD) had been established since 1996 and we were producing Slipring in Korea. We are specialized Slipring manufacture in Korea. Especially, We were succeeding to develop producing speed dome application Slipring for Samsung electronics & Samsung Techwin in 2001, then we supplied from 2003. Also we supplied our Slipring to other CCTV speed dome camera manufacturer in Korea and our market share in Korea is over 90%.We started to develop slipring for military purpose from 2004 and we started to supply slipring for various military equipment to Samsung Tales, Doosan DST, etc.