Tianjin city Tanshi jade for   

                                  Tianjin city Tanshi jade line in Tianjin city, is a collection research and development, production, sales and service for the integrated enterprise, the company adhering to the "trustworthy Frank", with people and management principles, adhere to the "principle of dedication win-win cooperation" for the domestic and international customer service, create brilliance. Welcome all the friends come to visit, investigate and negotiate business.