说明：
1. What is 3in1 shuttlecock ? “World first”3in1 shuttlecock was made of cork+modified nylon stand +short feather .The invention of 3in1 shuttlecock replaced more than 200 years of traditional shuttlecock, becomes the terminator of the traditional shuttlecock. We achieved automotive production of the shuttlecock,The feather stand was made of modified nylon , the fixtures between the feather pole is also made of high strength modified nylon, which can bear high strength beat . 2. Comparing with the traditional shuttlecock, the advantages of the innovative、intelligent production of 3in1 shuttlecock as below :a. Working procedure reduced 70%.3in1 shuttlecock procedure reduced from more than 20 into 6 steps, Integrated with our developed intelligent all-in-one machine ...