Some common factors for Bike rack control:
1.Appearance quality:the surface of the product shouldn’t have visible defects
2.Weight & size check
3.Workmanship:defective list
4.Basic function check(functions on product specification work )
5.Printing 3M Tape test
6.Assembly test
7.Carton drop test
8.Odor test
9.Parallel check
10.Vertical check
