1. Address of maintenance point of Guangzhou Zhongzheng Electric Appliance Co., Ltd.: No.26-11 Ziwei Road, Xinhua Street, Huadu District, Guangzhou. Dial 2. Address of Hitachi air conditioner on-site maintenance point in Conghua District, Guangzhou: Address of maintenance point of Guangzhou Suning Appliance After-sales Service Co., Ltd.: Dial 4. Guangzhou Zhongzheng Electric Appliance Co., Ltd. Maintenance Point Address: No.26-11 Ziwei Road, Xinhua Street, Huadu District, Guangzhou Maintenance Point Address: No.2, Yiheng Road, Wenchang Garden, Tangxia Second Society, Tianhe, Guangzhou Maintenance Point Address: No.26-11 Ziwei Road, Xinhua Street, Huadu District, Guangzhou Maintenance Point Address: Guangzhou Jinyu New Electric Appliance Technology Service Co., Ltd.