Changyi Haosen Biotechnology Co., Ltd.

Changyi Haosen Biotechnology Co., Ltd. is a professional factory producing Thiourea dioxide in China. Purity of our product is 99% minimum. Our annual output is 7000metric tons. More than 80% of the whole output has been exported to many countries and regions in the world. Mainly including Europe, America, Korea, Japan, Southeast Asia, Australia, the Mediterranean, etc.