No.17 Daliushu Road, Beijing, Beijing, China

Beijing earth long Co., Ltd is an high-tech enterprise, with more than 30 years history on development and production of geophysical instruments. Our instruments and technology have won many national,...

Room 809, Unit 2, 8th Floor, Building 1

Beijing JiTai Tech Detection Device Co.,Ltd which belongs to the high-tech enterprise , is a leading manufacturer of non-destructive instruments such as digital ultrasonic flaw detector, leeb portable...