Q1: What is the Warranty for the carbon fiber round ( oval , rectangular , square ) tubes ? A1: For the profiles ,we have 3 years warranty.If any quality problems on our side occured in this period ,we will take on the shipping cost and replacement.
Q2: How Do I know that the carbon fiber tubes that you offer is good in Mechanical Properties?
A2: Before order ,we will give you a free sample attached with a free strength report test by our engineers
Q3: What is the Tolerance in dimension of the carbon fiber round (oval ,rectangular , square ) tubes ? A3: The size of tolerance in +/-0.1mm , Because we consider The Shrinkage of the profiles.