... prototype making 1.Superior in quality and morderate in price 2.Fast lead time 3.6 years professional experiec 1. PP ... light, density of just 0.91 g/cm3 (than water small). 2. General plastics, PP heat resistant best, its thermal deformation temperature ... case, television, calculators, GPS electronics, DVD/VCD player and etc 2.Medical decives,B Ultrasound scanner case, Ultrasonic diagnostic imaging care ...