By 2002 the number of businesses engaged in the aerospace industry had surged to 219 and the number of taia member firms had reached 87 . the number of taia member firms has been growing at steady pace 1992年，国内航太厂商只有8家209项产品获得认证2002年获得认证家数增加至110家，获得认证之产品则增加至617项。
