Thien Thao Han Co., Ltd is one of the importers and distributors of raw materials and biological products (molasses, probiotics for wastewater treatment, yeast for septic tank treatment, and powdered drain cleaners) and high quality industrial chemicals for agriculture, food, animal husbandry, aquaculture, etc in Vietnam.Thien Thao Han Co., Ltd is one of the importers and distributors of raw materials and biological products (molasses, probiotics for wastewater treatment, yeast for septic tank treatment, and powdered drain cleaners) and high quality industrial chemicals for agriculture, food, animal husbandry, aquaculture, etc in Vietnam.