Our company is located in Danyang city of Jiangsu Province in China, which is about 180 kilometers away from Shanghai city and about 100 kilometers away from Nanjing City. We specialized in prototype making. 1. What is prototype? The prototype is a model used to test and evaluate a design. When you design a product, you need to build samples of the product to test and verify the functionality of the design. The creation of a prototype allows the inventor to discover whether his concept works or whether it will need more engineering. A prototype is a test version of an experiment or machine. 2. What kind of material of the prototype used? ABS, PC, PMMA, PA, aluminum alloy 3. What’s the main product of the prototype? Auto, Household Appliance, toys, eletronic products, etc.