Additional boiled black factory   

                                  additional boiled black factory is located in Jinnan District, northern Yingkou Cun Zha Kou Zhen lefty Tianjin city, is a collection research and development, production, sales and service as one of the enterprises, companies adhering to the "honest, Frank" with people and business 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.