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 1604,Building 1,No.777,South Hongmei Road,Minhang District, Shanghai, China, Shanghai, Shanghai, China

Shanghai Aidu (Aicheng) Industrial Co. , Ltd. is a joint venture company which integrates R&D, manufacturing, investment, trade, OEM agency, sales and service. Our sales headquarter is set up ...