ZHONGYUAN.ZHONGYUAN was established on April 10, 2002, with its registered location in Mudanjiang City, Heilongjiang Province. Originally a manufacturing plant for petroleum drilling tools and recovery tools, ZHONGYUAN has evolved into a modern enterprise integrating science, industry, and trade. It has obtained ISO 9001 quality system certification and API certification from the American Petroleum Institute. ZHONGYUAN currently manufactures eight major categories of petroleum tools, including recovery tools, drilling tools, workover tools, milling tools, cementing tools, production tools, and energy-saving special-shaped pumping units. This encompasses over 200 varieties and more than 2,000 specifications. Zhongyuan products are extensively utilized in major domestic oilfields, with select items exported to over 50 countries and regions including the United States, Russia, India, Mexico, and Venezuela. Our products have earned a distinguished reputation in oilfields worldwide through high-standard quality, reliable performance, timely delivery, and excellent after-sales service. We remain committed to providing enhanced services for the advancement of oilfield operations. Primary products include: Fishing tools Drilling tools Workover tools Milling tools Cementing tools Production tools Energy-saving special-shaped pumping units