钠Hydrosulphite

Hubei Yihua Group is one of the top 500 Chinese enterprises, concerns four main industries of fertilizer, chemicals, thermoelectricity and mines with total asset of20 billion RMB as well as more than20 subsidiary companies. The sales turnover reached 26 billion RMB in 2008. Yihua is the largest manufacturing base of pentaerythritol globally with annual output of 120,000 MT, and sodium hydrosulfite will be put into production in July, 2009. It is widely used in the textile industry for vat dyeing, reduction agent, printing and stripping, textile materials bleaching, It is also used in bleaching for paper pulps, Kaolin, leather, bamboo wares, foodstuffs and beverages. In Chemical industry, it is used in the line of photograghics, chemical processing, cleaners, water treatment, gas purification, and environmental improvement.