Metal plastic

One kind of collection plastic and the metal characteristic - - - the metal plastic recently developed in a body new material by our country scientist successfully.The concerned expert appraises that, the metal plastic all has the significa

Plastic twist

USs and the German scientist recently said that, they first developed the plastic which can be able to transform under the different wave length light , it will widespreadly use in industry, medicine and so on domains. The American Massachu