fetch_failed_title_based: CQE客户质量管理（韩语）(CQE Customer Quality Management, Korean) at 南京锂源纳米科技有限公司, Korean required per title (clear Korean keyword: 韩语/Korean translator/teacher/specialist). Role based in Nanjing, China. Local Chinese applicants targeted, on-site. Title-based fallback per detail-fetch budget; sibling postings from same company/role family verified as Korean-required, local CN, on-site.