1, carbohydrazide widely used in medicine, herbicides, plant growth regulators, dyes, etc.; 2, carbohydrazide is a hydrazine derivative, with a strong reduction, can be used to make the intermediate material containing body; 3, carbohydrazide in the field of water treatment, boiler water can be used as an oxygen scavenger, high melting point, good-deoxy-efficiency, safety and environmental protection is the ideal product; 4, carbohydrazide in the textile industry, can be used Elastic fiber crosslinking agents, formaldehyde scavenger, antioxidant carotenoids and other pigments; 5, carbohydrazide in phenol fungicides soap, by adding an appropriate amount of the product can play a role of preventing discoloration and rancidity; 6 , Carbohydrazide refinery equipment can be used as a preservative; Weifang Yukai Chemical Co., as well as the following products: six HBCD, bronopol, Broken Ball, bromopropanol, DBNPA (2.2- two bromo-3-cyano-propanamide); dibromo-cyanoacetamide, cyanoacetamide; DBNPA20% aqueous solution of 2,2-dibromo-2-nitroethanol (DBNE),