Golden Diamond Business Building, Bayi 4th Street. Ganzhou, also known as Qiancheng and Gannan, is a prefecture-level city and a provincial sub-central city under the jurisdiction of Jiangxi Province. According to Ganzhou. Com, August 14 Avenue Jinzuan Business Building has businesses selling ventilators, so the second-hand ventilator trading market is here. Ventilator is an important medical equipment to prevent and treat respiratory failure, reduce complications, save and prolong patients' lives.