Henan youlong petroleum engineering technology Co.,Ltd. Located in the beautiful petroleum city - Puyang City in the zhongyuan oil filed located, is a production research and development enterprise with product research and development organizations and perfect service teams, mainly engaged in the management, research and development of petroleum drilling and well repair equipment, special oilfield equipment, oil extraction equipment, wellhead and downhole tools, and the provision of petroleum engineering design schemes and petroleum engineering technical services. Through the continuous development and unremitting efforts, on the basis of the stable domestic market, relying on the product quality, competitive price advantage and high-quality and efficient services, the company has been vigorously exploring the international market and expanding the foreign cooperation channels to export the products to the United States, Canada, Russia and other countries.…