tianjin sierrachemical enterprise corporation

tianjin sierrachemical enterprise corporation   [China]  Posted Date: August 02, 2010Free Member  |  Rate this company  |  Check Member CredibilityTianjin 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. [Details]