Shengli Oilfield Tongtai International Trading (Tongtai), It covers an area of 67,000 square meters, with three workshops and one office building in the high tech park of Dongying Economic Development Zone, with a total investment over 16 million yuan.
As one of the wholly-owned subsidiary company of Sinopec Shengli Oilfield Co., Ltd, management of Tongtai have rich experience in oil exploration, oil recovery and field service and also have kept sound relationship with all enterprises of Shengli oilfield.  Tongtai began to extend business scope into its know-how areas, namely all kinds of oilfield services such as drilling, cementing, repairing and downhole services in the beginning of 2004.  It also tried to import oilfield equipment for other subsidiary companies of Shengli Oilfield in the same yea and reached fruitful achievement.

To fully draw on the advantage that most munufacturers of oilfields in China lack of experience in exploring overseas market, Tongtai recruited professional talents,  formally set up its international sector and reregistered as Shengli Tongtai International Trading Company in 2005.

Based in the second largest oilfield of China, Tongtai now is engaged in exporting all kinds of quality and price-competitive oilfield equipment made in Shengli Oilfield and wider China and importing advanced drilling tools and instrumentation from other countries. With over 30 years experience in oilfield, management of Tongtai have developed good relationship with hundreds of Chinese oilfield equipment manufacturers.  Most products are conformed to API standards.