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Zhejiang Chang'an Renheng Technology Co., Ltd., together with its subsidiaries, research, develops, produces, and sells bentonite fine chemicals in the People's Republic of China. The company uses bentonite to manufacture paper chemicals, bentonite for metallurgy pellet, calcium-bentonite, organic bentonite, and other products; inorganic gel; putty powder; dry strength agent; and other chemicals, such as flocculating agents primarily used in sewage purification. The company's products are used in paint coatings, water treatment, and oil fields. It is also involved in clay mining and processing; and wholesale and retail of chemicals and equipment. The company was formerly known as Changxing Renheng Fine Bentonite Co., Ltd. and changed its name to Zhejiang Chang'an Renheng Technology Co., Ltd. in December 2008. Zhejiang Chang'an Renheng Technology Co., Ltd. was founded in 2000 and is headquartered in Changxing, the People's Republic of China.