Precision sanitary Titanium tube Gr1,Gr2,Gr5 Gr9,Gr23 We have superior material,advanced equipment,and Test Report Provided 1. Material:Titanium;Gr1,Gr2 ... . Types of precision tube: Round ,square, rectangular , oval , and the plum blossom ,Straight Pipe, twisted , shaped steel frame tubes. 4. Application: Motor shell ...