Ningxia Darong Company was established in 1984. It occupies an area of 530000 square meters,and there are over 700 staff members in the group company,the total assets has reached RMB 710 million. It is the biggest foreign capital privately owned enterprise in Ningxia and one of the 21 key enterprises now. It is the second biggest manufacturer of cyanamide series products in the world. The main products are: Calcium Cyanamide, Dicyandiamide, Dicyandiamide electronic grade, Cyanamide liquid, Solid Cyanamide, O-methylisourea, and so on. The products refers to agriculture are: pesticides - Rong Bao, plant growth regulator - Rong Ya, etc.