I am a mechanical engineer with over 27 years of engineering experience in structural design ,analysis and manufacturing. I work for 24 years with Guizhou Aerospace Nanhai Technology Co.,Ltd. My capabilities include structural design, CAD, Solidworks, fabrication, product development. I had the experience of working with the engineer from Michelin(France) and Pirelli(Italy). Now I am a freelancer and I have a lot of time to accept jobs suit for my skill.