Translation / interpretation of Portuguese / Chinese (Mandarin) language em São Paulo

I am mechanical engineer and Chinese Language Teacher, acting on the translation market for over 10 years, proven experience in the areas such as: Mechanical Engineering, Construction Engineering and Electrical Engineering / Electronics & Computers etc.. Contact me by e-mail: jackson57716@hotmail.com or by phone: 0055-11-8553-8048
Thank you for your cooperation!
Jackson Xiao