Luoyang TST Flaw Detection Co., LTD is a high-tech enterprise specialized in the flaw detecting technology on ferromagnetic objects.Our products and services include flaw detecting devices and the correlated research, development and promotion of the detecting technology. The core-technology of our company was invented by the professor level senior engineer Mr.Dou Yutang in 1980S and was supported by the national science fund as outstanding scientific achievement.Over the practical application for 30 years, the technology has evolved dramatically by integrating with modern microelectronics, computer and network technologies.TST Flaw detection system-26 types in 9 categories have been develope into products. TST Flaw Detection System Series products have been widely adapted and applied in mining , port, cableways, petroleum, metallurgy, hosting machineries, shipping, elevators, cable-bridges, and military installations, etc. TST series products have been becoming a national brand of self-innovation technology in China.