pratt & whitney, a division of united technologies corporation (utc), is a world leader in the environmentally conscious design, manufacture and service of commercial and military aircraft engines, industrial gas turbines, and space propulsion systems. pratt & whitney reported an operating profit of us$2.0 billion in 2007 on revenues of us$12.1 billion. the company's  employees support more than 9,000 customers in 180 countries around the world.<br><br>our major products of commercial engines include:<br>pw2000 for boeing 757<br>pw4000 for boeing  and 777 and airbus a300, a310 and a330<br>pw6000 for airbus a318<br>gp7000 for airbus a380<br>v2500 for airbus a319, a320 and a321<br>purepower<sup>tm</sup> pw1000g for mitsubishi regional jet (mrj) and bombardier cseries aircraft<br><br>and our military engines include:<br>f100 for f-15 eagle and f-16 fighting falcon<br>f117 for c-17 globemaster iii<br>f119 for f-22 raptor<br>f135 for f-35 joint strike fighter<br><br>more information is available at our website.<br><br>united technologies corporation, is a diversified company whose products include carrier heating and air conditioning, hamilton sundstrand aerospace systems and industrial products, otis elevators and escalators, pratt & whitney aircraft engines, sikorsky helicopters, utc fire & security systems and utc power fuel cells. <br><br>pratt & whitney in china<br><br>pratt & whitney's presence in china dates back to 1929, when the lening airplane,which was powered by pratt & whitney's wasp engine, provided mail service from shanghai to hankou.<br>today, pratt & whitney employs more than 1,000 people within the country, offering a diverse range of products and services. our business units in china include:<br><br>shanghai<br>pratt & whitney management (shanghai) co., ltd<br>shanghai pratt & whitney aircraft engine maintenance company<br>beijing<br>pratt & whitney china<br>pratt & whitney power systems<br>pratt & whitney china customer training center<br>chengdu<br>chengdu aerotech manufacturing co., ltd<br>zhuzhou<br>south pratt & whitney aero-engine co., ltd<br>xi'an<br>xi'an airfoil technology co., ltd