Tianjin Sierra Chemical Enterprise Corporation is one of the largest chemical manufacturers with the quality certificate of ISO9001:2008 in China since 1992, we specialize in manufacturing, supplying and exporting the basic raw chemicals for more than 20000MT per year, we have three big produce factory, four warehouse. Focusing on the development and construction of sales channels, we offer our best service and most competitive price to every clients, Ascribed to our top quality, fast delivery time and competitive price, Our product sale very well in America, EU, Middle East and Southeast Asia and etc. Guided by the principle of equality and mutual benefit, Sierra Chemical Enterprise honors its contracts and commitments, seeks to enhance business cooperation with partners at home and abroad.