Dongying OrientSun Electric Co., Ltd. attended the 7th China International Petroleum&Petrochemical Technology and Equipment Exhibition in Beijing exhibition center on April 3-5, 2007, accompanyed with collaborator-Russian company GEOSTAR. On the exhibition, the main products of Dongying OrientSun Electric Co., Ltd. and product of GEOSTAR- Echometer and Dynamometer System were paid more attention. Dongying OrientSun Electric Co., Ltd. and GEOSTAR were very satisfied with this exhibition. This exhibition had quite a positive effect on OrientSun Electric Co., Ltd. at home and abroad.