Korean Language Overseas Sales Manager at Optech Company (奥普特公司), Dongguan, Guangdong, China. Full-time, mid-senior level. Responsibilities: Develop Korean overseas market opportunities and manage customer relationships while achieving company performance targets. Requirements: Bachelor's degree or above (flexibility for exceptional candidates); Korean as functional working language; 2+ years foreign trade sales experience with independent client development capability; background in machine vision or industrial automation preferred but not required; proficiency in trade processes, regulations, trade terminology, logistics, customs, and tax matters; strong communication, negotiation, and market development abilities; high stress resilience, self-motivation, learning capacity, and accountability.