混凝土商品化的核心就是工厂化生产供应体系的建立。它是实现建筑业现代化的必由之路。商品混凝土机械就是伴随混凝土的商品化而发展起来的。当然，各种混凝土机械的发展和技术的日益完善，反过来又大大促进了世界各国商品混凝土的推广应用。商品混凝土机械生产发展始于本世纪 The core of commercialization of concrete is the establishment of a factory-based production supply system. It is the only way to modernize the construction industry. Commercial concrete machinery is developed with the commercialization of concrete. Of course, the development of various types of concrete machinery and the improvement of technology have, in turn, greatly promoted the popularization and application of commercial concrete throughout the world. The development of commercial concrete machinery began in this century