1. The aluminum outer&inner lock rings are designed and manufactured by E-VIRATRUE team.
2. The lock rings are made of aluminum by CNC 3D processed, by adopting whole shaped technology, the products  have the characteristic of high intensity and duriability.
3. We will ship the package by DHL when we have received the orders within 1~2 days.
5.  pls feel free to contact with us if you have any questions about E-VIRATRUE products.
Email: zhengcaijiwu@126.com