Zhejiang Changan Renheng Technology (8139 HK)

Zhejiang Changan Renheng Technology researches, develops, produces, and sells bentonite fine chemicals, including papermaking chemicals, organic bentonite, and inorganic gels. The company also engages in clay mining and processing, and the wholesale and retail of chemicals and equipment. It was founded in 2000 and is headquartered in Changxing, People's Republic of China.