When making sure to cooperate in the production of large goods, we can test the goods for you when producing the first and second pieces, and then continue the production after making sure to ensure 100% quality.Therefore, our customers directly place large goods on the basis of fully understanding us. This can also directly save the cost of the sample. For the parts, HK AA will make by MAZAK machines, and test by Zeiss CMM to gurantee the high quality.