... Machining center;4. Drill and ream holes, screw holes, tolerance +/-0.0127;5. 17kg per cm2 water pressure test, ... etc.3. Nearly 150 varieties of products. Releated parts, for example Inspection1. The whole quality control management has been carried ... and satisfactory of service,4. Punctual delivery time; Currently material for other castings: categoryExamplesCarbon steels 1020, 1030, 1040, 1050Low ...