一、product name: titanium turbine blade二、material and technics:1. Material:GR5 Titanium (GR1,Website:http://www.advanced- ... finish: Polishing(mirror), acid cleaning, sandblasting4. Surface roughness: Ra 1.65. Casting minimum tolerance: +/-0.1mm6. CNC minimum tolerance: ... factory, complete and mature production line, which can assure the production, delivery time and quality assurance of your orders. ...