随着世界经济的复苏和建筑装饰业的不断发展，国际饰面石材市场的需求量正逐年加大。国内兴建的一些大型宾馆、饭店、商场、公共设施对饰面石材的需求量也很大。我国的石材工业近几年将有较大发展。塑料门窗前景广阔塑料异型材料作为钢、铝等有色金属的替代材料正在大步跨入建 With the recovery of the world economy and the continuous development of the building decoration industry, the demand for the international decorative stone market is increasing year by year. Some large hotels, restaurants, shopping malls and public facilities built in China are also in great demand for decorative stone. China’s stone industry will have greater development in recent years. Plastic doors and windows have broad prospects for plastic profiled materials as a substitute for non-ferrous metals such as steel and aluminum.