... poly vinyl chloride, the main ingredients of PVC; it has the bright-colored, corrosion-resistant and durable property. ... heat resistance, toughness, scalability and so on. All kinds of PVC granules, such as rigid, soft, clear and various colors are ... . They are used in extrusion, injection and so on, for PVC profile, PVC frame, pipe, seal raw material. http://www.juntaipvc.com/