Sichuan Three Three Technology Co., Ltd. located at Science and Technology City of China, has an 18 years of specialized experience in research, production, and marketing of concrete admixtures. The manufacturing base of Tongzhou is more than 2000 square meters. Over the years, Tongzhou has been granted several awards&honors such as"National High and New Technology Enterprise", China quality, Service, Reputation AAA Grade Enterprise", China 3.15 Quality and Integrity Demonstration Unit", and "Quality, Servise, Reputation AAA grade Enterprise of Chinese Construction Industry". At present, Tongzhou is the Member of the Concrete Admixture Branch of Chinese Building Materials Association. The concrete admixtures of the company with "Tonghzou" and "Sansan" brands, have been named as"Green building materials in Chinese building material markets", and "National Top Ten concrete admixture products of famous brands".