As the member of China Council for the Promotion of International Trade and one of the petroleum equipment branch of China international chamber of commerce, Dongying Lianhui Petroleum Technology Co., Ltd. is the first-tier supplier of Petrochina & Sinopec which is located in Dongying city, Shandong province. As the second largest oilfield in China,Shengli oilfield is located in the central city (Dongying city) of the Yellow River delta.
