Here are the main arms included in the package, and the companies that make them. Other weapons systems are to open to bid.

Sikorsky Aircraft Corp, a unit of United Technologies Corp, will supply 60 UH-60M Black Hawk utility helicopters. The estimated cost is $3.1 billion. United Technologies sells Otis elevators and Carrier brand heating and air-conditioning in China.

Lockheed Martin Corp will build 114 Patriot Advanced Capability-3 anti-missile missiles for Taiwan. Raytheon Co would integrate the systems. The deal's estimated value is $2.8 billion. Neither of these companies is believed to do major business with China.