Wuhan three sources of special building materials limited liability company established in 2001, is one of the largest enterprise specializing in the production of concrete admixtures, to become the most customer value, to create happiness viable high performance organization. The company is headquartered in Wuhan, Hubei Province, the country has a number of production bases, sales and service network covering more than 100 cities nationwide. He owns the "Grand" brand admixture products and exclusive development of two series of high-performance product line expansion agent. The "Grand" brand additive products that contain more than thirty varieties extenders, preservatives, crack resistance fiber, water reducer, filling materials, mineral admixtures, widely used in compensating shrinkage concrete works, waterproof concrete engineering, mass concrete, long concrete structure, prestressed concrete construction, concrete steel engineering, high performance concrete works. A typical engineering applications such as Hubei Provincial Museum, Wuchang Railway Station, dunkou Stadium, Century Optics Valley, Shenzhen Universiade Center, Shanghai Expo Center, Pudong International Airport, Guangzhou TV Tower, Shangri-La Hotel, Wenzhou, China Nishimura et empty. Well-developed and focused on the promotion of high-performance products are designed to solve the cracking expanders and even leakage due to shrinkage of concrete building caused by the fundamental building rigid waterproof realize the true sense. High-performance expanders choose my company owns the largest Nissan tons of clinker production line of high-performance expansion of the production of high-performance expansion agent clinker, with a variety of functional components, product expansion and other technical indicators far exceeds the national standard be fully realized by increasing the structural waterproof performance and achieve the overall placement, seamless construction, streamline the construction process, greatly shorten the construction period and other effects. With high-quality technical services and related technology outside waterproof material, the company focused on solving concrete engineering waterproofing system problem, create better value for customers from waterproof performance, cost, schedule, ease of construction and so on. Over the years, the company has focused on the development and promotion of concrete admixtures, established long-term stable cooperative relations with many renowned research and teaching institution China Building Materials Academy, Wuhan University, China's concrete admixture Association unit, the Chinese Ceramic Society and Cement Products Branch, expansion and self-stressing concrete professional committee member units involved in the concrete expansion of national standards GB23439-2009 codification. Enterprise was awarded the "high-tech enterprises in Hubei Province", "China green building materials", "China quality products", "AAA grade credit quality of Chinese enterprises", "A-class taxpayers Wuhan", "the tax model taxpayer" "famous trademarks" and the honorary title. The company has the first-class R & D center and testing center expanders, with the country's first vertical mill expansive product line and the most advanced high-performance professional expansive clinker production base, technical level and the level of technology located industry. In order to ensure product and service quality, the company introduced a full, the entire process of quality management, raw material procurement, process control, quality inspection, storage and transportation, service and other sectors, the establishment of a strict, scientific management and control system, and in 2003 adopted the ISO9001 quality management system certification. Company to "carefully building a better life" for the mission to "create customer value" for the enterprise foothold, and strive to build high-performance teams, to create a viable organization. Hope with all my colleagues, for the development of China's construction industry to make greater contributions!