Quanzhou Fortress Donghai Instrument Hardness Block Factory Enterprise ProfileCompany OverviewFounded in 1984, Quanzhou Fortress Donghai Instrument Hardness Block Factory is a professional metrology equipment manufacturing enterprise integrating scientific research, manufacturing, sales and measurement services. The company is registered by the State Metrology Bureau, holds the "Manufacturing Measuring Instrument License" (No.: 05000110) issued by the State Technical Supervision Bureau...