Shijiazhuang Shun Tong Technology CO.,LTD. ( The Abbreviation:SJZSTKJ) is located in South Dongzuo village, QieMa Town, High-tech Zone, Shijiazhuang City Hebei Province. It is a private enterprise which is focusing on the bridge pile foundation ultrasonic detection tube of high technology industry. SJZSTK is not only a formal, professional company that fully integrated product design, productions, marketing and service, but also has a strong product development, manufacturing capacity, and also has the independent intellectual property rights of the series products of sound pipe connection and mechanical connection.