Tianjin Tianda Beiyang Chemical Equipment Co., Ltd. Head office Address: Property Building, Xinyuan Garden, Tianjin University, Nankai district,Tianjin, PR, China 　 Post Code:300072　 Sales department: 022-87892780  Fax：022-87892770 Engineering department: 022-87892760  Fax：022-87895117 Email：pactu@vip.163.com Plant area: Chunxi Road, Economic developing area, Jinghai District Tianjin, PR, China Production department： 022-68690112 Logistics center：022-68690208（fax） 022-68690206