Beijing Oberth   

                                  Beijing Oberth is located in Lanzhou city Gansu province Donggang Road West, is a collection research and development, production, sales and service for the integrated enterprise, the company adhering to the "honest Frank", with people and operating principles, adhere to the principle of "sincere cooperation and win-win" for domestic and foreign customers, create brilliant. Welcome all the friends come to visit, investigate and negotiate business.