Waterproof Repair Project Of External Wall of Great Hall of the People

In 2010, it was organized by the Administration of the Great Hall of the People, and was built by several companies, such as Zhongxin, China Railway Group, etc., and the Great Hall was repaired many times. Among them, China Railway Group purchased three kinds of silane nano-products from CPC Company to waterproof and repair the auditorium, the welcoming hall, the Shanghai hall, the bathroom and other parts, and achieved satisfactory results. The outer walls of the Great Hall of the People are all granite, using CPC silane nano-products, and the whole stone is waterproof, antifouling and self-cleaning.