1. for the parts, HK AA will make by MAZAK machines, and test by Zeiss CMM to gurantee the high quality.2. HK AA is a big company , to show our great sincerity, we can accept the target prices, and our prices including the shipping cost.3. it is the tough and difficult time this year all over the world, HK AA can offer any help we can here. Do you want to try with HK AA?I believe you will love HK AA, and HK AA can be your long term business partner.My assistant Bonnie has updated the below prices, including the shipping cost. Wait for your further news!