Oriental engineering works manufactures hydraulic equipment like high-pressure cylinders, pumps and hydraulic systems up to 700 bar [10,000 psi]. The company is certified for iso 9001:2000 and iso 14001 by tuv cert-germany. Majority of its products comply with asme b30.1-1998 and iso 10100-2001, and are also ce marked. The accessories used, also conform to sae j517 for hydraulic hoses and en 837-1 for pressure gauges. The company also represents some foreign principals for specific products. It offers a range of hydraulic torque wrenches. Features: auto reciprocating mechanism - [world patent] ensures that the oil remains cool; two-plane ratchet mechanism - over 15 teeth used to transfer linear motion into rotary motion, makes design most rugged and increases life manifold; remote control operation; very easy torque presetting; continuous tightening; and no vibration and no noise. These "f" series wrenches are of a new version featuring more compactness and lightweight. Auto shuttle valves, are also mounted, permitting automatic and continuous tightening. They can be also used with standard air impact sockets in general applications.