A is our product,B is low quality.
Different paint thickness,if the paint get thinner price can go down $0.02.
Spring of A is made of copper that is with good elasticity, B is made of aluminum that is easy to break.
A is polished,so it looks more shinny and smooth.
The lens of A are made of virgin material,if they are made of scrap material,the price can be $ 0.01 cheaper.
Thickness of lens is 1.8mm with UV400 for our products .If the thickness is 1.4mm without UV400,the price can go down $0.02.Gradient color of lens are more expansive.
Our sunglasses are made of virgin material,if made of recycled material,the price will be $0.02 cheaper,but they are very easy to break.
Before they do packaging,they checked all the products one by one, also the sunglasses cases. The qualified rate is 99% or will be 70%.The labor cost is quite high now. The price can go down $0.04 without QC. Because
rom the 30% most of them they can arrange but also from this 30% there is a 10% that they have to remake.
wayfarer sunglasses