The study is a Prospective, Open-lable, Multi-center, Randomized trial. 2000 primary coronary artery disease patients will be enrolled with a 1:1 randomization ratio(AVI:1000,Firebird 2:1000) at approximately 40 sites, Subject follow-up be at 30 days, 6 months, 9 months, 12 months, 2-5 years after procedure.