Age requirement: 30-40 years old Working years: more than 5 years Job Requirements: 1. High school or college degree or above, proficient in mechanical design, proficient in drawing and drawing, such as proficient in roE, SolidWorks, UG, AutoCAD is better. 2. Have more than three years of technical work experience 3. Able to bear hardships and stand hard work, with strong communication skills main duty: 1. Responsible for the design and management of drawing mechanical drawings 2. Instruct the workshop production, and complete the production work on time, cooperate and assist the actual production needs 3. Participate in new product development