Such as title, small items, but also the size of the palm, and want to mass production, plastic, production machinery, abrasives about how much money, the smallest sizeIn addition, the production of plastic products are not required sewage ah, online and other great god!!
There are thousands of plastic, you first understand some commonly used bar, usually ABS, C material, B material. There are floating water and submerged, and so on. There are 4 kinds of plastic on a mineral water bottle, do you know?
It's good for you to understand these words when I don't understand them. Starting with raw materials, recycled plastics and so on.
Injection or compression molding, or extrusion or blow molding? Can you read it?
