http://www.ltair.com/image/patented technology

2、Arrow feather

BA CLASSIC
BA CLASSIC
H0988UHS MG

BA CLASSIC
BA CLASSIC
H0988UHS-i MG

BA CLASSIC
BA CLASSIC
D03013

BA CLASSIC
BA CLASSIC
D03018MG

BA CLASSIC
BA CLASSIC
S02510

BA CLASSIC
BA CLASSIC
D05023MG

BA CLASSIC
BA CLASSIC
D05033MG

BA CLASSIC
BA CLASSIC
S03611

1