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Founded in Xianfeng period of Qing Dynasty, after nearly two centuries of baptism, the company has gone through an extraordinary period from producing quicklime only for agriculture and construction industry more than 180 years ago to producing food-grade, industrial-grade calcium carbonate, calcium hydroxide, calcium oxide, active nano-calcium carbonate and light calcium carbonate for toothpaste. 

At present, the company has one special calcium carbonate research and development center in Zhejiang Province, which has been authorized by nearly 30 national patents. Since 2010, it has undertaken more than 20 provincial-level research and development of new products and achieved transformation. In 2003 and 2015, respectively, through the ISO 9001 quality management system and ISO 22000 Food Safety Management System certification, on May 18, 2016, successfully listed in the "New Third Board".

In order to achieve sustainable development, the company has established two subsidiaries, Zhejiang Tianyi New Materials Co., Ltd. and Guangxi Tianshi New Materials Co., Ltd. We specialize in producing and developing active nano-calcium carbonate and heavy calcium carbonate for toothpaste, food and pharmaceutical intermediates.