High quality!API Spec 7K Manual Tong Type SB

Dongying Qixiang Import &Export Co.,Ltd(hereinafter as DYQX Petro company) was founded in January, 2002, in the Yellow River delta (Shengli Oil Field, the second large oil field in China)--- Dongying City, Shandong Province. Its business covers drilling rig, workover rig, solids control equipment, oil production equipment,OCTG ,wellhead & downhole tools and spare parts drilling rig supporting and drilling strings and other equipments related with petroleum. Strictly abide by ISO9001 quality system certification and API standard. DYQX Petro company follow the principle of "quality first, science and technology innovated, people oriented",, it benefits from the convenient running, high efficiency, swift reaction, experienced experts and the advanced management. In a meanwhile, it has about 50 sub-contractors to cooperate all over the country, and it always sticks to good faith, strictness, specialty, innovation, also satisfactory service.our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). The target of DYQX Petro company Enterprise: To establish an international first-class enterprise, and become a professional petroleum equipment supplier and oilfield engineering services company.; "providing the most qualified products, most competitive prices and most professional service for every customer " as its mission. DYQX Petro company mainly engages in offering oil drilling and production equipment and providing oilfield technical service.Our target is to supply our products and spread company culture to all over the world. We will build a new stage, and we will welcome all the friends from all over the world, to cooperate sincerely and create our brilliant future!