Hengda international inc. A leading supplier of petroleum equipments, was established in 2000. We have been providing a wide variety of petroleum equipments and service to companies in us, canada, argentina, russia, kazakhstan, uzbekistan, indonesia and other countries. Our products include: 1. Drilling equipments (drilling rigs, mud pumps, drilling instrumentation, downhole screw motors 2. Tubular goods (casing, tubing and drill pipe) 3. Production equipments (rotaflex and beam pumping units, pc pumps, continuous and hollow sucker rod, espcps, subsurface sucker rod pumps and fittings) 4. Conveying facilities (surface multiphase pc pumps, medium and high pressure compound pipe) 5. Chemicals (polyacrylamide) 6. Natural gas engine and generating sets We provide all these series of products, technical service and parts machining. The quality inspection procedures of all our products have been implemented in accordance with the requirements of the iso 9001:2000 and api q1, s