For above product ,we used carbon steel 45 grade,process with CNC center ,high precision,the product for trivalent zinc plated.
here ,let me introduce our production processing to you ,
First ,our worker will make the first article according to manufacturing drawing,then the worker will inspect this article and record,check the size and threads if meet the manufacturing drawings or not,then ,the production manager will take second inspection for this article ,after passing the inspection by production manager ,then start with mass production.
More details about our products ,please feel free to contact us
Hose adapters with steel 45 grade, we used the regular raw material ,that from the regular meterial factory ,have the material certificate