The thegentlemen ransomware group listed Da Guan Technology on its data leak site on 2026-05-06. Country: TW Sector: Technology Domains named: daguan-tech.com.tw Claim as published on the leak site: daguan-tech.com.tw Da Guan Technology serves as the official distributor of two major brands: Mitsubishi Electric (Japan) and Lifegear (Taiwan) — offering a full range of products including heat recovery ventilators (HRV), bathroom warm-air dryers, ultra-quiet exhaust fans, circulation fans, and fresh-air systems. Their primary sales channels include construction companies, interior designers, plumbing distributors, and premium bathroom retailers