From April 27th to 29th, 2011, the "Huangshan or Qingdao three-day tour" organized by the labor union of Changzhou Yonghe Fine Chemical Co., Ltd. and all employees of Yonghe and Yongxin and some family members participated in the "Huangshan or Qingdao Three-day Tour". Everyone responded positively and was in high spirits. After busy work, the body and mind are relaxed.