We all know that there are : Guandong leval . Ningbo Leval. Taizhou Leval
If you have quotation from 3 Country factory as it. I think you will know it
If you think Price is top 1 important , I would suggest you choose Taizhou.
If you have lots lots lots of money, i suggest you choose Guandong.
If you want reasonable price with reasonable technic. I suggest you choose Ningbo Yuyao.