Tianjin Binhai Hua Yi Valve Co.,ltd .to yingpanquan industrial development zone of jinnan district Tianjin, free trade zone near the east ,the south by the Dagang Oilfield ,the formality of Beijing-Tianjin expressway ,Tianjin Binhai International Airport, convenient transportation, geographic location.The company since its inception, has consistently adhered to "rely on the technology ,management and painstakingly created, first-class " quality policy ,"the quality is efficiency ,quality is the lifeline of business ."The company mainly products low-medium pressure...