A major fire broke out at a biotechnology company in northern China, sending towering flames and thick smoke around a high-rise factory building. The fire erupted at Guoxu Biotechnology Company in Fuping County, Baoding City, Hebei Province. The video shows the multi-story industrial building fully engulfed in flames, with heavy black smoke billowing into the sky. Local fire authorities said the blaze was caused by the ignition of insulation materials inside the factory. Firefighters extinguishe