Zhejiang Changan Renheng Technology Co., Ltd. is a Chinese company mainly engaged in the development, production and sale of bentonite fine chemicals. The company's main products include paper chemicals, metallurgical ball bentonite, calcium-based clay and other products. The company also plans to create a water treatment agent project in Changxing City, Zhejiang Province, and an organic bentonite project in Yangyuan City, Hebei Province. Both projects are currently under construction. The company also engages in wholesale and retail equipment business through its subsidiaries.