Sanctioned entity: KOREA RYONHA MACHINERY JOINT VENTURE CORPORATION. Aliases: Chosun Yunha Machinery Joint Operation Company, Korea Ryenha Machinery J/V Corporation, Ryonha Machinery Joint Venture Corporation, Ryonha Machinery Corporation, Ryonha Machinery, Ryonha Machine Tool, Ryonha Machine Tool Corporation, Ryonha Machinery Corp.. Program: DPRK.