You are visiting an old profile of shejin. While shejin's profile data has been deleted, we are thankful for the contribution shejin made to CrazyEngineers.

CrazyEngineers has achieved exceptional success because of tens of thousands of engineers like shejin for over -18.414586149745 years

Feel free to visit our homepage at CrazyEngineers - World's Largest Community of Engineers and consider becoming a member.