Shanghai Yunyan Prototype & Mould Factory which is a professional enterprise for many years which is specialized in making prototyping such as: CNC prototyping, SLA/SLS prototyping, 3D printing, samples mechanical designing, rapid modeling, small-lot production etc. Our factory is located in glamour city of Shanghai, adjoining Hongqiao-airport. We are playing an important role for many enterprises R&D samples making and certification, and generalize new technologies theory certification to ...