Xi'an Chaoma Technology Co.Ltd.was issued Parts Manufacturer Approval(PMA) for Carbon/Carbon aircraft brake disk for Airbus 320 series by Civil Aviation Administration of China(CAAC).The company is held by Academy of Aerospace Solid Propulsion Technology (AASPT),a subsidiary of China Aerospace Science and Technology Corporation(CASC).It is the first approval given to a Chinese company to design and produce brakes for
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