Beijing Samyon Instruments Co., Ltd is one unit of National High-tech Enterprises specializing on designing, developing and selling NDT (Non Destructive Testing) equipments, construction instruments, and laboratory instruments, such as concrete chloride tester, concrete alkali tester, concrete resistivity tester, concrete migration tester, concrete penetration tester, crack width meter, crack depth meter, nonmetal ultrasonic detector, rebar location system, pile testing system, test hammer, strength tester, pile integrity tester, concrete defect tester, corrosion tester, colorimeter, hardness tester, ultrasonic flaw detector, concrete testing equipment, soil testing equipment, cement testing equipment, asphalt testing equipment, and so on . The company takes the science and technology as the guide, with strict management and strong research and development team.