Hongkong Dexin International Trade Limited is located in Kowloon,Hong Kong Main products: 1) Carbohydrazide 99%,we owned factory with more than 20 years production experience specially for carbohydrazide 2) Sodium Chlorite Liquid & Solid with NSF certificated 3) other chemicals foreign trade like Urea,Sodium Metabisulfite, Calcium Chloride, Sodium Nitrate,Sodium Hydrosulfide,White Poly Aluminium Chloride etc. The products are largely exported to United States,South Korea,Australia,Brazil and other countries &a...